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Remove E0308 note when primary label has all info

This commit is contained in:
Esteban Küber 2019-11-14 23:45:30 -08:00
parent b2e6aef073
commit 94c6425464
237 changed files with 225 additions and 1278 deletions
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49
src/librustc/infer/error_reporting/mod.rs
View File

@ -1163,8 +1163,8 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
Some(values) => {
let (is_simple_error, exp_found) = match values {
ValuePairs::Types(exp_found) => {
let is_simple_err =
exp_found.expected.is_primitive() && exp_found.found.is_primitive();
let is_simple_err = exp_found.expected.is_simple_text()
&& exp_found.found.is_simple_text();
(is_simple_err, Some(exp_found))
}
@ -1201,8 +1201,8 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
.unwrap_or("type".into());
let found_label = exp_found.map(|ef| ef.found.prefix_string())
.unwrap_or("type".into());
match (terr, is_simple_error, expected == found) {
(&TypeError::Sorts(ref values), false, extra) => {
match (&terr, expected == found) {
(TypeError::Sorts(values), extra) => {
let sort_string = |ty: Ty<'tcx>| match (extra, &ty.kind) {
(true, ty::Opaque(def_id, _)) => format!(
" (opaque type at {})",
@ -1212,26 +1212,43 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
(true, _) => format!(" ({})", ty.sort_string(self.tcx)),
(false, _) => "".to_string(),
};
diag.note_expected_found_extra(
&expected_label,
expected,
&found_label,
found,
&sort_string(values.expected),
&sort_string(values.found),
);
if !(values.expected.is_simple_text() && values.found.is_simple_text()) || (
exp_found.map_or(false, |ef| {
// This happens when the type error is a subset of the expectation,
// like when you have two references but one is `usize` and the other
// is `f32`. In those cases we still want to show the `note`. If the
// value from `ef` is `Infer(_)`, then we ignore it.
if !ef.expected.is_ty_infer() {
ef.expected != values.expected
} else if !ef.found.is_ty_infer() {
ef.found != values.found
} else {
false
}
})
) {
diag.note_expected_found_extra(
&expected_label,
expected,
&found_label,
found,
&sort_string(values.expected),
&sort_string(values.found),
);
}
}
(TypeError::ObjectUnsafeCoercion(_), ..) => {
(TypeError::ObjectUnsafeCoercion(_), _) => {
diag.note_unsuccessfull_coercion(found, expected);
}
(_, false, _) => {
(_, _) => {
debug!(
"note_type_err: exp_found={:?}, expected={:?} found={:?}",
exp_found, expected, found
);
diag.note_expected_found(&expected_label, expected, &found_label, found);
if !is_simple_error || terr.must_include_note() {
diag.note_expected_found(&expected_label, expected, &found_label, found);
}
}
_ => (),
}
}
if let Some(exp_found) = exp_found {

71
src/librustc/ty/error.rs
View File

@ -64,8 +64,11 @@ pub enum UnconstrainedNumeric {
impl<'tcx> fmt::Display for TypeError<'tcx> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
use self::TypeError::*;
fn report_maybe_different(f: &mut fmt::Formatter<'_>,
expected: &str, found: &str) -> fmt::Result {
fn report_maybe_different(
f: &mut fmt::Formatter<'_>,
expected: &str,
found: &str,
) -> fmt::Result {
// A naive approach to making sure that we're not reporting silly errors such as:
// (expected closure, found closure).
if expected == found {
@ -183,39 +186,70 @@ impl<'tcx> fmt::Display for TypeError<'tcx> {
}
}
impl<'tcx> TypeError<'tcx> {
pub fn must_include_note(&self) -> bool {
use self::TypeError::*;
match self {
CyclicTy(_) |
UnsafetyMismatch(_) |
Mismatch |
AbiMismatch(_) |
FixedArraySize(_) |
Sorts(_) |
IntMismatch(_) |
FloatMismatch(_) |
VariadicMismatch(_) => false,
Mutability |
TupleSize(_) |
ArgCount |
RegionsDoesNotOutlive(..) |
RegionsInsufficientlyPolymorphic(..) |
RegionsOverlyPolymorphic(..) |
RegionsPlaceholderMismatch |
Traits(_) |
ProjectionMismatched(_) |
ProjectionBoundsLength(_) |
ExistentialMismatch(_) |
ConstMismatch(_) |
IntrinsicCast |
ObjectUnsafeCoercion(_) => true,
}
}
}
impl<'tcx> ty::TyS<'tcx> {
pub fn sort_string(&self, tcx: TyCtxt<'_>) -> Cow<'static, str> {
match self.kind {
ty::Bool | ty::Char | ty::Int(_) |
ty::Uint(_) | ty::Float(_) | ty::Str | ty::Never => self.to_string().into(),
ty::Tuple(ref tys) if tys.is_empty() => self.to_string().into(),
ty::Uint(_) | ty::Float(_) | ty::Str | ty::Never => format!("{}", self).into(),
ty::Tuple(ref tys) if tys.is_empty() => format!("{}", self).into(),
ty::Adt(def, _) => format!("{} `{}`", def.descr(), tcx.def_path_str(def.did)).into(),
ty::Foreign(def_id) => format!("extern type `{}`", tcx.def_path_str(def_id)).into(),
ty::Array(_, n) => {
ty::Array(t, n) => {
let n = tcx.lift(&n).unwrap();
match n.try_eval_usize(tcx, ty::ParamEnv::empty()) {
Some(n) => {
format!("array of {} element{}", n, pluralize!(n)).into()
}
_ if t.is_simple_ty() => format!("array `{}`", self).into(),
Some(n) => format!("array of {} element{} ", n, pluralize!(n)).into(),
None => "array".into(),
}
}
ty::Slice(ty) if ty.is_simple_ty() => format!("slice `{}`", self).into(),
ty::Slice(_) => "slice".into(),
ty::RawPtr(_) => "*-ptr".into(),
ty::Ref(region, ty, mutbl) => {
ty::Ref(_, ty, mutbl) => {
let tymut = ty::TypeAndMut { ty, mutbl };
let tymut_string = tymut.to_string();
if tymut_string == "_" || //unknown type name,
tymut_string.len() > 10 || //name longer than saying "reference",
region.to_string() != "'_" //... or a complex type
{
format!("{}reference", match mutbl {
hir::Mutability::Mutable => "mutable ",
_ => ""
}).into()
} else {
if tymut_string != "_" && (
ty.is_simple_text() || tymut_string.len() < "mutable reference".len()
) {
format!("&{}", tymut_string).into()
} else { // Unknown type name, it's long or has type arguments
match mutbl {
hir::Mutability::Mutable => "mutable reference",
_ => "reference",
}.into()
}
}
ty::FnDef(..) => "fn item".into(),
@ -248,7 +282,6 @@ impl<'tcx> ty::TyS<'tcx> {
}
pub fn prefix_string(&self) -> Cow<'static, str> {
debug!("prefix_string {:?} {} {:?}", self, self, self.kind);
match self.kind {
ty::Infer(_) | ty::Error | ty::Bool | ty::Char | ty::Int(_) |
ty::Uint(_) | ty::Float(_) | ty::Str | ty::Never => "type".into(),

33
src/librustc/ty/mod.rs
View File

@ -555,16 +555,29 @@ impl<'tcx> Hash for TyS<'tcx> {
impl<'tcx> TyS<'tcx> {
pub fn is_primitive_ty(&self) -> bool {
match self.kind {
Bool |
Char |
Int(_) |
Uint(_) |
Float(_) |
Infer(InferTy::IntVar(_)) |
Infer(InferTy::FloatVar(_)) |
Infer(InferTy::FreshIntTy(_)) |
Infer(InferTy::FreshFloatTy(_)) => true,
Ref(_, x, _) => x.is_primitive_ty(),
Bool | Char | Str | Int(_) | Uint(_) | Float(_) |
Infer(InferTy::IntVar(_)) | Infer(InferTy::FloatVar(_)) |
Infer(InferTy::FreshIntTy(_)) | Infer(InferTy::FreshFloatTy(_)) => true,
_ => false,
}
}
pub fn is_simple_ty(&self) -> bool {
match self.kind {
Bool | Char | Str | Int(_) | Uint(_) | Float(_) |
Infer(InferTy::IntVar(_)) | Infer(InferTy::FloatVar(_)) |
Infer(InferTy::FreshIntTy(_)) | Infer(InferTy::FreshFloatTy(_)) => true,
Ref(_, x, _) | Array(x, _) | Slice(x) => x.peel_refs().is_simple_ty(),
Tuple(tys) if tys.is_empty() => true,
_ => false,
}
}
pub fn is_simple_text(&self) -> bool {
match self.kind {
Adt(_, substs) => substs.types().next().is_none(),
Ref(_, ty, _) => ty.is_simple_text(),
_ if self.is_simple_ty() => true,
_ => false,
}
}

3
src/test/rustdoc-ui/failed-doctest-missing-codes.stdout
View File

@ -10,9 +10,6 @@ error[E0308]: mismatched types
|
LL | let x: () = 5i32;
| ^^^^ expected (), found i32
|
= note: expected type `()`
found type `i32`
error: aborting due to previous error

3
src/test/ui/arg-type-mismatch.stderr
View File

@ -3,9 +3,6 @@ error[E0308]: mismatched types
|
LL | fn main() { let i: (); i = f(()); }
| ^^ expected isize, found ()
|
= note: expected type `isize`
found unit type `()`
error: aborting due to previous error

4
src/test/ui/array-not-vector.rs
View File

@ -1,9 +1,7 @@
fn main() {
let _x: i32 = [1, 2, 3];
//~^ ERROR mismatched types
//~| expected type `i32`
//~| found array `[{integer}; 3]`
//~| expected i32, found array of 3 elements
//~| expected i32, found array
let x: &[i32] = &[1, 2, 3];
let _y: &i32 = x;

9
src/test/ui/array-not-vector.stderr
View File

@ -2,16 +2,13 @@ error[E0308]: mismatched types
--> $DIR/array-not-vector.rs:2:19
|
LL | let _x: i32 = [1, 2, 3];
| ^^^^^^^^^ expected i32, found array of 3 elements
|
= note: expected type `i32`
found array `[{integer}; 3]`
| ^^^^^^^^^ expected i32, found array `[{integer}; 3]`
error[E0308]: mismatched types
--> $DIR/array-not-vector.rs:9:20
--> $DIR/array-not-vector.rs:7:20
|
LL | let _y: &i32 = x;
| ^ expected i32, found slice
| ^ expected i32, found slice `[i32]`
|
= note: expected reference `&i32`
found reference `&[i32]`

2
src/test/ui/associated-const/associated-const-generic-obligations.stderr
View File

@ -5,7 +5,7 @@ LL | const FROM: Self::Out;
| --------- type in trait
...
LL | const FROM: &'static str = "foo";
| ^^^^^^^^^^^^ expected associated type, found reference
| ^^^^^^^^^^^^ expected associated type, found &str
|
= note: expected associated type `<T as Foo>::Out`
found reference `&'static str`

12
src/test/ui/associated-type/associated-type-projection-from-supertrait.stderr
View File

@ -3,36 +3,24 @@ error[E0308]: mismatched types
|
LL | fn b() { dent(ModelT, Blue); }
| ^^^^ expected struct `Black`, found struct `Blue`
|
= note: expected struct `Black`
found struct `Blue`
error[E0308]: mismatched types
--> $DIR/associated-type-projection-from-supertrait.rs:28:23
|
LL | fn c() { dent(ModelU, Black); }
| ^^^^^ expected struct `Blue`, found struct `Black`
|
= note: expected struct `Blue`
found struct `Black`
error[E0308]: mismatched types
--> $DIR/associated-type-projection-from-supertrait.rs:32:28
|
LL | fn f() { ModelT.chip_paint(Blue); }
| ^^^^ expected struct `Black`, found struct `Blue`
|
= note: expected struct `Black`
found struct `Blue`
error[E0308]: mismatched types
--> $DIR/associated-type-projection-from-supertrait.rs:33:28
|
LL | fn g() { ModelU.chip_paint(Black); }
| ^^^^^ expected struct `Blue`, found struct `Black`
|
= note: expected struct `Blue`
found struct `Black`
error: aborting due to 4 previous errors

6
src/test/ui/associated-types/associated-types-binding-to-type-defined-in-supertrait.stderr
View File

@ -6,9 +6,6 @@ LL | fn blue_car<C:Car<Color=Blue>>(c: C) {
...
LL | fn b() { blue_car(ModelT); }
| ^^^^^^^^ expected struct `Blue`, found struct `Black`
|
= note: expected struct `Blue`
found struct `Black`
error[E0271]: type mismatch resolving `<ModelU as Vehicle>::Color == Black`
--> $DIR/associated-types-binding-to-type-defined-in-supertrait.rs:32:10
@ -18,9 +15,6 @@ LL | fn black_car<C:Car<Color=Black>>(c: C) {
...
LL | fn c() { black_car(ModelU); }
| ^^^^^^^^^ expected struct `Black`, found struct `Blue`
|
= note: expected struct `Black`
found struct `Blue`
error: aborting due to 2 previous errors

5
src/test/ui/associated-types/associated-types-eq-3.stderr
View File

@ -17,9 +17,6 @@ LL | fn foo1<I: Foo<A=Bar>>(x: I) {
...
LL | foo1(a);
| ^^^^ expected struct `Bar`, found usize
|
= note: expected struct `Bar`
found type `usize`
error[E0271]: type mismatch resolving `<isize as Foo>::A == Bar`
--> $DIR/associated-types-eq-3.rs:41:9
@ -27,8 +24,6 @@ error[E0271]: type mismatch resolving `<isize as Foo>::A == Bar`
LL | baz(&a);
| ^^ expected struct `Bar`, found usize
|
= note: expected struct `Bar`
found type `usize`
= note: required for the cast to the object type `dyn Foo<A = Bar>`
error: aborting due to 3 previous errors

2
src/test/ui/associated-types/associated-types-overridden-binding-2.stderr
View File

@ -4,8 +4,6 @@ error[E0271]: type mismatch resolving `<std::vec::IntoIter<u32> as std::iter::It
LL | let _: &dyn I32Iterator<Item = u32> = &vec![42].into_iter();
| ^^^^^^^^^^^^^^^^^^^^^ expected i32, found u32
|
= note: expected type `i32`
found type `u32`
= note: required for the cast to the object type `dyn std::iter::Iterator<Item = u32, Item = i32>`
error: aborting due to previous error

2
src/test/ui/associated-types/issue-44153.stderr
View File

@ -7,8 +7,6 @@ LL | fn visit() {}
LL | <() as Visit>::visit();
| ^^^^^^^^^^^^^^^^^^^^ expected (), found &()
|
= note: expected unit type `()`
found reference `&()`
= note: required because of the requirements on the impl of `Visit` for `()`
error: aborting due to previous error

3
src/test/ui/associated-types/point-at-type-on-obligation-failure.stderr
View File

@ -8,9 +8,6 @@ LL | impl Bar for Foo {
| ---------------- in this `impl` item
LL | type Ok = ();
| ^^^^^^^^^^^^^ expected u32, found ()
|
= note: expected type `u32`
found unit type `()`
error: aborting due to previous error

10
src/test/ui/async-await/async-block-control-flow-static-semantics.stderr
View File

@ -25,9 +25,6 @@ LL | fn return_targets_async_block_not_fn() -> u8 {
| --------------------------------- ^^ expected u8, found ()
| |
| implicitly returns `()` as its body has no tail or `return` expression
|
= note: expected type `u8`
found unit type `()`
error[E0271]: type mismatch resolving `<impl std::future::Future as std::future::Future>::Output == ()`
--> $DIR/async-block-control-flow-static-semantics.rs:18:39
@ -35,8 +32,6 @@ error[E0271]: type mismatch resolving `<impl std::future::Future as std::future:
LL | let _: &dyn Future<Output = ()> = &block;
| ^^^^^^ expected (), found u8
|
= note: expected unit type `()`
found type `u8`
= note: required for the cast to the object type `dyn std::future::Future<Output = ()>`
error[E0308]: mismatched types
@ -51,9 +46,6 @@ LL | | return 0u8;
LL | |
LL | | }
| |_^ expected u8, found ()
|
= note: expected type `u8`
found unit type `()`
error[E0271]: type mismatch resolving `<impl std::future::Future as std::future::Future>::Output == ()`
--> $DIR/async-block-control-flow-static-semantics.rs:27:39
@ -61,8 +53,6 @@ error[E0271]: type mismatch resolving `<impl std::future::Future as std::future:
LL | let _: &dyn Future<Output = ()> = &block;
| ^^^^^^ expected (), found u8
|
= note: expected unit type `()`
found type `u8`
= note: required for the cast to the object type `dyn std::future::Future<Output = ()>`
error[E0308]: mismatched types

2
src/test/ui/bad/bad-const-type.rs
View File

@ -1,6 +1,4 @@
static i: String = 10;
//~^ ERROR mismatched types
//~| expected struct `std::string::String`, found integer
//~| expected struct `std::string::String`
//~| found type `{integer}`
fn main() { println!("{}", i); }

3
src/test/ui/bad/bad-const-type.stderr
View File

@ -6,9 +6,6 @@ LL | static i: String = 10;
| |
| expected struct `std::string::String`, found integer
| help: try using a conversion method: `10.to_string()`
|
= note: expected struct `std::string::String`
found type `{integer}`
error: aborting due to previous error

6
src/test/ui/binop/binop-logic-int.stderr
View File

@ -3,18 +3,12 @@ error[E0308]: mismatched types
|
LL | fn main() { let x = 1 && 2; }
| ^ expected bool, found integer
|
= note: expected type `bool`
found type `{integer}`
error[E0308]: mismatched types
--> $DIR/binop-logic-int.rs:1:26
|
LL | fn main() { let x = 1 && 2; }
| ^ expected bool, found integer
|
= note: expected type `bool`
found type `{integer}`
error: aborting due to 2 previous errors

3
src/test/ui/blind/blind-item-block-middle.stderr
View File

@ -3,9 +3,6 @@ error[E0308]: mismatched types
|
LL | let bar = 5;
| ^^^ expected integer, found struct `foo::bar`
|
= note: expected type `{integer}`
found struct `foo::bar`
error: aborting due to previous error

3
src/test/ui/block-expression-remove-semicolon.stderr
View File

@ -8,9 +8,6 @@ LL | | foo();
| | - help: consider removing this semicolon
LL | | };
| |_____^ expected i32, found ()
|
= note: expected type `i32`
found unit type `()`
error: aborting due to previous error

3
src/test/ui/block-result/block-must-not-have-result-do.stderr
View File

@ -3,9 +3,6 @@ error[E0308]: mismatched types
|
LL | true
| ^^^^ expected (), found bool
|
= note: expected unit type `()`
found type `bool`
error: aborting due to previous error

3
src/test/ui/block-result/block-must-not-have-result-res.stderr
View File

@ -5,9 +5,6 @@ LL | fn drop(&mut self) {
| - expected `()` because of default return type
LL | true
| ^^^^ expected (), found bool
|
= note: expected unit type `()`
found type `bool`
error: aborting due to previous error

2
src/test/ui/block-result/block-must-not-have-result-while.rs
View File

@ -1,8 +1,6 @@
fn main() {
while true { //~ WARN denote infinite loops with
true //~ ERROR mismatched types
//~| expected unit type `()`
//~| found type `bool`
//~| expected (), found bool
}
}

3
src/test/ui/block-result/block-must-not-have-result-while.stderr
View File

@ -11,9 +11,6 @@ error[E0308]: mismatched types
|
LL | true
| ^^^^ expected (), found bool
|
= note: expected unit type `()`
found type `bool`
error: aborting due to previous error

6
src/test/ui/block-result/consider-removing-last-semi.stderr
View File

@ -8,9 +8,6 @@ LL | fn f() -> String {
LL | 0u8;
LL | "bla".to_string();
| - help: consider removing this semicolon
|
= note: expected struct `std::string::String`
found unit type `()`
error[E0308]: mismatched types
--> $DIR/consider-removing-last-semi.rs:6:11
@ -22,9 +19,6 @@ LL | fn g() -> String {
LL | "this won't work".to_string();
LL | "removeme".to_string();
| - help: consider removing this semicolon
|
= note: expected struct `std::string::String`
found unit type `()`
error: aborting due to 2 previous errors

3
src/test/ui/block-result/issue-11714.stderr
View File

@ -8,9 +8,6 @@ LL | fn blah() -> i32 {
...
LL | ;
| - help: consider removing this semicolon
|
= note: expected type `i32`
found unit type `()`
error: aborting due to previous error

6
src/test/ui/block-result/issue-13428.stderr
View File

@ -8,9 +8,6 @@ LL | fn foo() -> String {
...
LL | ;
| - help: consider removing this semicolon
|
= note: expected struct `std::string::String`
found unit type `()`
error[E0308]: mismatched types
--> $DIR/issue-13428.rs:11:13
@ -22,9 +19,6 @@ LL | fn bar() -> String {
LL | "foobar".to_string()
LL | ;
| - help: consider removing this semicolon
|
= note: expected struct `std::string::String`
found unit type `()`
error: aborting due to 2 previous errors

4
src/test/ui/block-result/issue-13624.rs
View File

@ -7,8 +7,6 @@ mod a {
Enum::EnumStructVariant { x: 1, y: 2, z: 3 }
//~^ ERROR mismatched types
//~| expected (), found enum `a::Enum`
//~| expected unit type `()`
//~| found enum `a::Enum`
}
}
@ -22,8 +20,6 @@ mod b {
a::Enum::EnumStructVariant { x, y, z } => {
//~^ ERROR mismatched types
//~| expected (), found enum `a::Enum`
//~| expected unit type `()`
//~| found enum `a::Enum`
}
}
}

8
src/test/ui/block-result/issue-13624.stderr
View File

@ -5,20 +5,14 @@ LL | pub fn get_enum_struct_variant() -> () {
| -- expected `()` because of return type
LL | Enum::EnumStructVariant { x: 1, y: 2, z: 3 }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected (), found enum `a::Enum`
|
= note: expected unit type `()`
found enum `a::Enum`
error[E0308]: mismatched types
--> $DIR/issue-13624.rs:22:9
--> $DIR/issue-13624.rs:20:9
|
LL | match enum_struct_variant {
| ------------------- this match expression has type `()`
LL | a::Enum::EnumStructVariant { x, y, z } => {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected (), found enum `a::Enum`
|
= note: expected unit type `()`
found enum `a::Enum`
error: aborting due to 2 previous errors

3
src/test/ui/block-result/issue-22645.stderr
View File

@ -16,9 +16,6 @@ LL | fn main() {
LL | let b = Bob + 3.5;
LL | b + 3
| ^^^^^ expected (), found struct `Bob`
|
= note: expected unit type `()`
found struct `Bob`
error: aborting due to 2 previous errors

2
src/test/ui/block-result/unexpected-return-on-unit.stderr
View File

@ -4,8 +4,6 @@ error[E0308]: mismatched types
LL | foo()
| ^^^^^ expected (), found usize
|
= note: expected unit type `()`
found type `usize`
help: try adding a semicolon
|
LL | foo();

3
src/test/ui/chalkify/type_inference.stderr
View File

@ -3,9 +3,6 @@ error[E0308]: mismatched types
|
LL | only_foo(x);
| ^ expected i32, found floating-point number
|
= note: expected type `i32`
found type `{float}`
error[E0277]: the trait bound `{float}: Bar` is not satisfied
--> $DIR/type_inference.rs:25:5

5
src/test/ui/codemap_tests/tab.stderr
View File

@ -10,10 +10,7 @@ error[E0308]: mismatched types
LL | fn foo() {
| - help: try adding a return type: `-> &'static str`
LL | "bar boo"
| ^^^^^^^^^^^^^^^^^^^^ expected (), found reference
|
= note: expected unit type `()`
found reference `&'static str`
| ^^^^^^^^^^^^^^^^^^^^ expected (), found &str
error: aborting due to 2 previous errors

14
src/test/ui/coercion/coerce-expect-unsized-ascribed.stderr
View File

@ -2,7 +2,7 @@ error[E0308]: mismatched types
--> $DIR/coerce-expect-unsized-ascribed.rs:9:13
|
LL | let _ = box { [1, 2, 3] }: Box<[i32]>;
| ^^^^^^^^^^^^^^^^^ expected slice, found array of 3 elements
| ^^^^^^^^^^^^^^^^^ expected slice `[i32]`, found array `[i32; 3]`
|
= note: expected struct `std::boxed::Box<[i32]>`
found struct `std::boxed::Box<[i32; 3]>`
@ -11,7 +11,7 @@ error[E0308]: mismatched types
--> $DIR/coerce-expect-unsized-ascribed.rs:10:13
|
LL | let _ = box if true { [1, 2, 3] } else { [1, 3, 4] }: Box<[i32]>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected slice, found array of 3 elements
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected slice `[i32]`, found array `[i32; 3]`
|
= note: expected struct `std::boxed::Box<[i32]>`
found struct `std::boxed::Box<[i32; 3]>`
@ -20,7 +20,7 @@ error[E0308]: mismatched types
--> $DIR/coerce-expect-unsized-ascribed.rs:11:13
|
LL | let _ = box match true { true => [1, 2, 3], false => [1, 3, 4] }: Box<[i32]>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected slice, found array of 3 elements
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected slice `[i32]`, found array `[i32; 3]`
|
= note: expected struct `std::boxed::Box<[i32]>`
found struct `std::boxed::Box<[i32; 3]>`
@ -56,7 +56,7 @@ error[E0308]: mismatched types
--> $DIR/coerce-expect-unsized-ascribed.rs:17:13
|
LL | let _ = &{ [1, 2, 3] }: &[i32];
| ^^^^^^^^^^^^^^ expected slice, found array of 3 elements
| ^^^^^^^^^^^^^^ expected slice `[i32]`, found array `[i32; 3]`
|
= note: expected reference `&[i32]`
found reference `&[i32; 3]`
@ -65,7 +65,7 @@ error[E0308]: mismatched types
--> $DIR/coerce-expect-unsized-ascribed.rs:18:13
|
LL | let _ = &if true { [1, 2, 3] } else { [1, 3, 4] }: &[i32];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected slice, found array of 3 elements
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected slice `[i32]`, found array `[i32; 3]`
|
= note: expected reference `&[i32]`
found reference `&[i32; 3]`
@ -74,7 +74,7 @@ error[E0308]: mismatched types
--> $DIR/coerce-expect-unsized-ascribed.rs:19:13
|
LL | let _ = &match true { true => [1, 2, 3], false => [1, 3, 4] }: &[i32];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected slice, found array of 3 elements
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected slice `[i32]`, found array `[i32; 3]`
|
= note: expected reference `&[i32]`
found reference `&[i32; 3]`
@ -110,7 +110,7 @@ error[E0308]: mismatched types
--> $DIR/coerce-expect-unsized-ascribed.rs:25:13
|
LL | let _ = Box::new([1, 2, 3]): Box<[i32]>;
| ^^^^^^^^^^^^^^^^^^^ expected slice, found array of 3 elements
| ^^^^^^^^^^^^^^^^^^^ expected slice `[i32]`, found array `[i32; 3]`
|
= note: expected struct `std::boxed::Box<[i32]>`
found struct `std::boxed::Box<[i32; 3]>`

3
src/test/ui/coercion/coercion-missing-tail-expected-type.stderr
View File

@ -7,9 +7,6 @@ LL | fn plus_one(x: i32) -> i32 {
| implicitly returns `()` as its body has no tail or `return` expression
LL | x + 1;
| - help: consider removing this semicolon
|
= note: expected type `i32`
found unit type `()`
error[E0308]: mismatched types
--> $DIR/coercion-missing-tail-expected-type.rs:7:13

3
src/test/ui/coercion/coercion-slice.rs
View File

@ -3,6 +3,5 @@
fn main() {
let _: &[i32] = [0];
//~^ ERROR mismatched types
//~| expected reference `&[i32]`
//~| expected &[i32], found array of 1 element
//~| expected &[i32], found array `[{integer}; 1]`
}

5
src/test/ui/coercion/coercion-slice.stderr
View File

@ -4,11 +4,8 @@ error[E0308]: mismatched types
LL | let _: &[i32] = [0];
| ^^^
| |
| expected &[i32], found array of 1 element
| expected &[i32], found array `[{integer}; 1]`
| help: consider borrowing here: `&[0]`
|
= note: expected reference `&[i32]`
found array `[{integer}; 1]`
error: aborting due to previous error

6
src/test/ui/const-generics/const-argument-cross-crate-mismatch.stderr
View File

@ -3,18 +3,12 @@ error[E0308]: mismatched types
|
LL | let _ = const_generic_lib::function(const_generic_lib::Struct([0u8, 1u8]));
| ^^^^^^^^^^ expected an array with a fixed size of 3 elements, found one with 2 elements
|
= note: expected array `[u8; 3]`
found array `[u8; 2]`
error[E0308]: mismatched types
--> $DIR/const-argument-cross-crate-mismatch.rs:8:65
|
LL | let _: const_generic_lib::Alias = const_generic_lib::Struct([0u8, 1u8, 2u8]);
| ^^^^^^^^^^^^^^^ expected an array with a fixed size of 2 elements, found one with 3 elements
|
= note: expected array `[u8; 2]`
found array `[u8; 3]`
error: aborting due to 2 previous errors

6
src/test/ui/consts/const-array-oob-arith.stderr
View File

@ -3,18 +3,12 @@ error[E0308]: mismatched types
|
LL | const BLUB: [i32; (ARR[0] - 40) as usize] = [5];
| ^^^ expected an array with a fixed size of 2 elements, found one with 1 element
|
= note: expected array `[i32; 2]`
found array `[i32; 1]`
error[E0308]: mismatched types
--> $DIR/const-array-oob-arith.rs:10:44
|
LL | const BOO: [i32; (ARR[0] - 41) as usize] = [5, 99];
| ^^^^^^^ expected an array with a fixed size of 1 element, found one with 2 elements
|
= note: expected array `[i32; 1]`
found array `[i32; 2]`
error: aborting due to 2 previous errors

1
src/test/ui/consts/const-eval/const-eval-span.rs
View File

@ -9,7 +9,6 @@ enum E {
V = CONSTANT,
//~^ ERROR mismatched types
//~| expected isize, found struct `S`
//~| found struct `S`
}
fn main() {}

3
src/test/ui/consts/const-eval/const-eval-span.stderr
View File

@ -3,9 +3,6 @@ error[E0308]: mismatched types
|
LL | V = CONSTANT,
| ^^^^^^^^ expected isize, found struct `S`
|
= note: expected type `isize`
found struct `S`
error: aborting due to previous error

24
src/test/ui/consts/const-integer-bool-ops.stderr
View File

@ -3,18 +3,12 @@ error[E0308]: mismatched types
|
LL | const X: usize = 42 && 39;
| ^^ expected bool, found integer
|
= note: expected type `bool`
found type `{integer}`
error[E0308]: mismatched types
--> $DIR/const-integer-bool-ops.rs:1:24
|
LL | const X: usize = 42 && 39;
| ^^ expected bool, found integer
|
= note: expected type `bool`
found type `{integer}`
error[E0308]: mismatched types
--> $DIR/const-integer-bool-ops.rs:1:18
@ -33,18 +27,12 @@ error[E0308]: mismatched types
|
LL | const X1: usize = 42 || 39;
| ^^ expected bool, found integer
|
= note: expected type `bool`
found type `{integer}`
error[E0308]: mismatched types
--> $DIR/const-integer-bool-ops.rs:11:25
|
LL | const X1: usize = 42 || 39;
| ^^ expected bool, found integer
|
= note: expected type `bool`
found type `{integer}`
error[E0308]: mismatched types
--> $DIR/const-integer-bool-ops.rs:11:19
@ -63,18 +51,12 @@ error[E0308]: mismatched types
|
LL | const X2: usize = -42 || -39;
| ^^^ expected bool, found integer
|
= note: expected type `bool`
found type `{integer}`
error[E0308]: mismatched types
--> $DIR/const-integer-bool-ops.rs:21:26
|
LL | const X2: usize = -42 || -39;
| ^^^ expected bool, found integer
|
= note: expected type `bool`
found type `{integer}`
error[E0308]: mismatched types
--> $DIR/const-integer-bool-ops.rs:21:19
@ -93,18 +75,12 @@ error[E0308]: mismatched types
|
LL | const X3: usize = -42 && -39;
| ^^^ expected bool, found integer
|
= note: expected type `bool`
found type `{integer}`
error[E0308]: mismatched types
--> $DIR/const-integer-bool-ops.rs:31:26
|
LL | const X3: usize = -42 && -39;
| ^^^ expected bool, found integer
|
= note: expected type `bool`
found type `{integer}`
error[E0308]: mismatched types
--> $DIR/const-integer-bool-ops.rs:31:19

15
src/test/ui/conversion-methods.stderr
View File

@ -4,11 +4,8 @@ error[E0308]: mismatched types
LL | let _tis_an_instants_play: String = "'Tis a fond Ambush—";
| ^^^^^^^^^^^^^^^^^^^^^
| |
| expected struct `std::string::String`, found reference
| expected struct `std::string::String`, found &str
| help: try using a conversion method: `"'Tis a fond Ambush—".to_string()`
|
= note: expected struct `std::string::String`
found reference `&'static str`
error[E0308]: mismatched types
--> $DIR/conversion-methods.rs:6:40
@ -16,11 +13,8 @@ error[E0308]: mismatched types
LL | let _just_to_make_bliss: PathBuf = Path::new("/ern/her/own/surprise");
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| |
| expected struct `std::path::PathBuf`, found reference
| expected struct `std::path::PathBuf`, found &std::path::Path
| help: try using a conversion method: `Path::new("/ern/her/own/surprise").to_path_buf()`
|
= note: expected struct `std::path::PathBuf`
found reference `&std::path::Path`
error[E0308]: mismatched types
--> $DIR/conversion-methods.rs:9:40
@ -30,9 +24,6 @@ LL | let _but_should_the_play: String = 2; // Perhaps surprisingly, we sugge
| |
| expected struct `std::string::String`, found integer
| help: try using a conversion method: `2.to_string()`
|
= note: expected struct `std::string::String`
found type `{integer}`
error[E0308]: mismatched types
--> $DIR/conversion-methods.rs:12:47
@ -40,7 +31,7 @@ error[E0308]: mismatched types
LL | let _prove_piercing_earnest: Vec<usize> = &[1, 2, 3];
| ^^^^^^^^^^
| |
| expected struct `std::vec::Vec`, found reference
| expected struct `std::vec::Vec`, found &[{integer}; 3]
| help: try using a conversion method: `(&[1, 2, 3]).to_vec()`
|
= note: expected struct `std::vec::Vec<usize>`

35
src/test/ui/deref-suggestion.stderr
View File

@ -4,11 +4,8 @@ error[E0308]: mismatched types
LL | foo(s);
| ^
| |
| expected struct `std::string::String`, found reference
| expected struct `std::string::String`, found &std::string::String
| help: try using a conversion method: `s.to_string()`
|
= note: expected struct `std::string::String`
found reference `&std::string::String`
error[E0308]: mismatched types
--> $DIR/deref-suggestion.rs:14:10
@ -18,9 +15,6 @@ LL | foo3(u);
| |
| expected u32, found &u32
| help: consider dereferencing the borrow: `*u`
|
= note: expected type `u32`
found reference `&u32`
error[E0308]: mismatched types
--> $DIR/deref-suggestion.rs:30:9
@ -28,11 +22,8 @@ error[E0308]: mismatched types
LL | foo(&"aaa".to_owned());
| ^^^^^^^^^^^^^^^^^
| |
| expected struct `std::string::String`, found reference
| expected struct `std::string::String`, found &std::string::String
| help: consider removing the borrow: `"aaa".to_owned()`
|
= note: expected struct `std::string::String`
found reference `&std::string::String`
error[E0308]: mismatched types
--> $DIR/deref-suggestion.rs:32:9
@ -40,11 +31,8 @@ error[E0308]: mismatched types
LL | foo(&mut "aaa".to_owned());
| ^^^^^^^^^^^^^^^^^^^^^
| |
| expected struct `std::string::String`, found mutable reference
| expected struct `std::string::String`, found &mut std::string::String
| help: consider removing the borrow: `"aaa".to_owned()`
|
= note: expected struct `std::string::String`
found mutable reference `&mut std::string::String`
error[E0308]: mismatched types
--> $DIR/deref-suggestion.rs:2:20
@ -54,9 +42,6 @@ LL | ($x:expr) => { &$x }
...
LL | foo3(borrow!(0));
| ---------- in this macro invocation
|
= note: expected type `u32`
found reference `&{integer}`
error[E0308]: mismatched types
--> $DIR/deref-suggestion.rs:36:5
@ -64,8 +49,6 @@ error[E0308]: mismatched types
LL | assert_eq!(3i32, &3i32);
| ^^^^^^^^^^^^^^^^^^^^^^^^ expected i32, found &i32
|
= note: expected type `i32`
found reference `&i32`
= note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
error[E0308]: mismatched types
@ -76,9 +59,6 @@ LL | let s = S { u };
| |
| expected &u32, found integer
| help: consider borrowing here: `u: &u`
|
= note: expected reference `&u32`
found type `{integer}`
error[E0308]: mismatched types
--> $DIR/deref-suggestion.rs:41:20
@ -88,9 +68,6 @@ LL | let s = S { u: u };
| |
| expected &u32, found integer
| help: consider borrowing here: `&u`
|
= note: expected reference `&u32`
found type `{integer}`
error[E0308]: mismatched types
--> $DIR/deref-suggestion.rs:44:17
@ -100,9 +77,6 @@ LL | let r = R { i };
| |
| expected u32, found &{integer}
| help: consider dereferencing the borrow: `i: *i`
|
= note: expected type `u32`
found reference `&{integer}`
error[E0308]: mismatched types
--> $DIR/deref-suggestion.rs:46:20
@ -112,9 +86,6 @@ LL | let r = R { i: i };
| |
| expected u32, found &{integer}
| help: consider dereferencing the borrow: `*i`
|
= note: expected type `u32`
found reference `&{integer}`
error: aborting due to 10 previous errors

3
src/test/ui/did_you_mean/issue-42764.stderr
View File

@ -18,9 +18,6 @@ error[E0308]: mismatched types
|
LL | let _c = Context { wrapper: Payload{} };
| ^^^^^^^^^ expected struct `Wrapper`, found struct `Payload`
|
= note: expected struct `Wrapper`
found struct `Payload`
error: aborting due to 2 previous errors

15
src/test/ui/did_you_mean/issue-53280-expected-float-found-integer-literal.stderr
View File

@ -6,9 +6,6 @@ LL | let sixteen: f32 = 16;
| |
| expected f32, found integer
| help: use a float literal: `16.0`
|
= note: expected type `f32`
found type `{integer}`
error[E0308]: mismatched types
--> $DIR/issue-53280-expected-float-found-integer-literal.rs:5:38
@ -18,9 +15,6 @@ LL | let a_million_and_seventy: f64 = 1_000_070;
| |
| expected f64, found integer
| help: use a float literal: `1_000_070.0`
|
= note: expected type `f64`
found type `{integer}`
error[E0308]: mismatched types
--> $DIR/issue-53280-expected-float-found-integer-literal.rs:8:30
@ -30,27 +24,18 @@ LL | let negative_nine: f32 = -9;
| |
| expected f32, found integer
| help: use a float literal: `-9.0`
|
= note: expected type `f32`
found type `{integer}`
error[E0308]: mismatched types
--> $DIR/issue-53280-expected-float-found-integer-literal.rs:15:30
|
LL | let sixteen_again: f64 = 0x10;
| ^^^^ expected f64, found integer
|
= note: expected type `f64`
found type `{integer}`
error[E0308]: mismatched types
--> $DIR/issue-53280-expected-float-found-integer-literal.rs:17:30
|
LL | let and_once_more: f32 = 0o20;
| ^^^^ expected f32, found integer
|
= note: expected type `f32`
found type `{integer}`
error: aborting due to 5 previous errors

2
src/test/ui/diverging-fn-tail-35849.stderr
View File

@ -5,7 +5,7 @@ LL | fn assert_sizeof() -> ! {
| - expected `!` because of return type
LL | unsafe {
LL | ::std::mem::transmute::<f64, [u8; 8]>(panic!())
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected !, found array of 8 elements
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected !, found array `[u8; 8]`
|
= note: expected type `!`
found array `[u8; 8]`

4
src/test/ui/dst/dst-bad-coerce1.stderr
View File

@ -2,7 +2,7 @@ error[E0308]: mismatched types
--> $DIR/dst-bad-coerce1.rs:16:29
|
LL | let f3: &Fat<[usize]> = f2;
| ^^ expected slice, found array of 3 elements
| ^^ expected slice `[usize]`, found array `[isize; 3]`
|
= note: expected reference `&Fat<[usize]>`
found reference `&Fat<[isize; 3]>`
@ -19,7 +19,7 @@ error[E0308]: mismatched types
--> $DIR/dst-bad-coerce1.rs:28:27
|
LL | let f3: &([usize],) = f2;
| ^^ expected slice, found array of 3 elements
| ^^ expected slice `[usize]`, found array `[isize; 3]`
|
= note: expected reference `&([usize],)`
found reference `&([isize; 3],)`

4
src/test/ui/dst/dst-bad-coerce4.rs
View File

@ -11,15 +11,15 @@ pub fn main() {
let f1: &Fat<[isize]> = &Fat { ptr: [1, 2, 3] };
let f2: &Fat<[isize; 3]> = f1;
//~^ ERROR mismatched types
//~| expected array `[isize; 3]`, found slice `[isize]`
//~| expected reference `&Fat<[isize; 3]>`
//~| found reference `&Fat<[isize]>`
//~| expected array of 3 elements, found slice
// Tuple with a vec of isizes.
let f1: &([isize],) = &([1, 2, 3],);
let f2: &([isize; 3],) = f1;
//~^ ERROR mismatched types
//~| expected array `[isize; 3]`, found slice `[isize]`
//~| expected reference `&([isize; 3],)`
//~| found reference `&([isize],)`
//~| expected array of 3 elements, found slice
}

4
src/test/ui/dst/dst-bad-coerce4.stderr
View File

@ -2,7 +2,7 @@ error[E0308]: mismatched types
--> $DIR/dst-bad-coerce4.rs:12:32
|
LL | let f2: &Fat<[isize; 3]> = f1;
| ^^ expected array of 3 elements, found slice
| ^^ expected array `[isize; 3]`, found slice `[isize]`
|
= note: expected reference `&Fat<[isize; 3]>`
found reference `&Fat<[isize]>`
@ -11,7 +11,7 @@ error[E0308]: mismatched types
--> $DIR/dst-bad-coerce4.rs:20:30
|
LL | let f2: &([isize; 3],) = f1;
| ^^ expected array of 3 elements, found slice
| ^^ expected array `[isize; 3]`, found slice `[isize]`
|
= note: expected reference `&([isize; 3],)`
found reference `&([isize],)`

3
src/test/ui/error-codes/E0070.stderr
View File

@ -15,9 +15,6 @@ error[E0308]: mismatched types
|
LL | some_other_func() = 4;
| ^ expected (), found integer
|
= note: expected unit type `()`
found type `{integer}`
error[E0070]: invalid left-hand side expression
--> $DIR/E0070.rs:8:5

5
src/test/ui/error-codes/E0271.stderr
View File

@ -5,10 +5,7 @@ LL | fn foo<T>(t: T) where T: Trait<AssociatedType=u32> {
| --- ------------------ required by this bound in `foo`
...
LL | foo(3_i8);
| ^^^ expected u32, found reference
|
= note: expected type `u32`
found reference `&'static str`
| ^^^ expected u32, found &str
error: aborting due to previous error

3
src/test/ui/estr-subtyping.stderr
View File

@ -6,9 +6,6 @@ LL | wants_uniq(x);
| |
| expected struct `std::string::String`, found &str
| help: try using a conversion method: `x.to_string()`
|
= note: expected struct `std::string::String`
found reference `&str`
error: aborting due to previous error

3
src/test/ui/float-literal-inference-restrictions.stderr
View File

@ -6,9 +6,6 @@ LL | let x: f32 = 1;
| |
| expected f32, found integer
| help: use a float literal: `1.0`
|
= note: expected type `f32`
found type `{integer}`
error[E0308]: mismatched types
--> $DIR/float-literal-inference-restrictions.rs:3:18

2
src/test/ui/fully-qualified-type/fully-qualified-type-name2.rs
View File

@ -12,8 +12,6 @@ fn bar(x: x::Foo) -> y::Foo {
return x;
//~^ ERROR mismatched types
//~| expected enum `y::Foo`, found enum `x::Foo`
//~| expected enum `y::Foo`
//~| found enum `x::Foo`
}
fn main() {

3
src/test/ui/fully-qualified-type/fully-qualified-type-name2.stderr
View File

@ -5,9 +5,6 @@ LL | fn bar(x: x::Foo) -> y::Foo {
| ------ expected `y::Foo` because of return type
LL | return x;
| ^ expected enum `y::Foo`, found enum `x::Foo`
|
= note: expected enum `y::Foo`
found enum `x::Foo`
error: aborting due to previous error

2
src/test/ui/hrtb/issue-62203-hrtb-ice.stderr
View File

@ -15,8 +15,6 @@ error[E0271]: type mismatch resolving `<[closure@$DIR/issue-62203-hrtb-ice.rs:42
LL | let v = Unit2.m(
| ^ expected struct `Unit4`, found struct `Unit3`
|
= note: expected struct `Unit4`
found struct `Unit3`
= note: required because of the requirements on the impl of `for<'r> T0<'r, (<Unit2 as Ty<'r>>::V,)>` for `L<[closure@$DIR/issue-62203-hrtb-ice.rs:42:17: 42:39]>`
error: aborting due to 2 previous errors

24
src/test/ui/if-else-type-mismatch.stderr
View File

@ -10,9 +10,6 @@ LL | | 2u32
| | ^^^^ expected i32, found u32
LL | | };
| |_____- if and else have incompatible types
|
= note: expected type `i32`
found type `u32`
error[E0308]: if and else have incompatible types
--> $DIR/if-else-type-mismatch.rs:8:38
@ -21,9 +18,6 @@ LL | let _ = if true { 42i32 } else { 42u32 };
| ----- ^^^^^ expected i32, found u32
| |
| expected because of this
|
= note: expected type `i32`
found type `u32`
error[E0308]: if and else have incompatible types
--> $DIR/if-else-type-mismatch.rs:13:9
@ -40,9 +34,6 @@ LL | | 4u32
| | ^^^^ expected (), found u32
LL | | };
| |_____- if and else have incompatible types
|
= note: expected type `()`
found type `u32`
error[E0308]: if and else have incompatible types
--> $DIR/if-else-type-mismatch.rs:19:9
@ -59,9 +50,6 @@ LL | | 6u32;
| | expected u32, found ()
LL | | };
| |_____- if and else have incompatible types
|
= note: expected type `u32`
found unit type `()`
error[E0308]: if and else have incompatible types
--> $DIR/if-else-type-mismatch.rs:25:9
@ -75,9 +63,6 @@ LL | | 8u32
| | ^^^^ expected (), found u32
LL | | };
| |_____- if and else have incompatible types
|
= note: expected type `()`
found type `u32`
error[E0308]: if and else have incompatible types
--> $DIR/if-else-type-mismatch.rs:31:9
@ -91,9 +76,6 @@ LL | | 10u32;
| | ^^^^^^ expected i32, found ()
LL | | };
| |_____- if and else have incompatible types
|
= note: expected type `i32`
found unit type `()`
error[E0308]: if and else have incompatible types
--> $DIR/if-else-type-mismatch.rs:37:9
@ -105,9 +87,6 @@ LL | | } else {
| |_____- expected because of this
LL | 11u32
| ^^^^^ expected (), found u32
|
= note: expected type `()`
found type `u32`
error[E0308]: if and else have incompatible types
--> $DIR/if-else-type-mismatch.rs:42:12
@ -121,9 +100,6 @@ LL | } else {
LL | |
LL | | };
| |_____^ expected i32, found ()
|
= note: expected type `i32`
found unit type `()`
error: aborting due to 8 previous errors

3
src/test/ui/if/if-branch-types.stderr
View File

@ -5,9 +5,6 @@ LL | let x = if true { 10i32 } else { 10u32 };
| ----- ^^^^^ expected i32, found u32
| |
| expected because of this
|
= note: expected type `i32`
found type `u32`
error: aborting due to previous error

1
src/test/ui/if/if-let-arm-types.rs
View File

@ -8,5 +8,4 @@ fn main() {
};
//~^^ ERROR: if and else have incompatible types
//~| NOTE expected (), found integer
//~| NOTE expected type `()`
}

3
src/test/ui/if/if-let-arm-types.stderr
View File

@ -11,9 +11,6 @@ LL | | 1
| | ^ expected (), found integer
LL | | };
| |_____- if and else have incompatible types
|
= note: expected type `()`
found type `{integer}`
error: aborting due to previous error

24
src/test/ui/if/if-no-match-bindings.stderr
View File

@ -6,9 +6,6 @@ LL | if b_ref() {}
| |
| expected bool, found &bool
| help: consider dereferencing the borrow: `*b_ref()`
|
= note: expected type `bool`
found reference `&bool`
error[E0308]: mismatched types
--> $DIR/if-no-match-bindings.rs:19:8
@ -18,9 +15,6 @@ LL | if b_mut_ref() {}
| |
| expected bool, found &mut bool
| help: consider dereferencing the borrow: `*b_mut_ref()`
|
= note: expected type `bool`
found mutable reference `&mut bool`
error[E0308]: mismatched types
--> $DIR/if-no-match-bindings.rs:20:8
@ -30,9 +24,6 @@ LL | if &true {}
| |
| expected bool, found &bool
| help: consider removing the borrow: `true`
|
= note: expected type `bool`
found reference `&bool`
error[E0308]: mismatched types
--> $DIR/if-no-match-bindings.rs:21:8
@ -42,9 +33,6 @@ LL | if &mut true {}
| |
| expected bool, found &mut bool
| help: consider removing the borrow: `true`
|
= note: expected type `bool`
found mutable reference `&mut bool`
error[E0308]: mismatched types
--> $DIR/if-no-match-bindings.rs:24:11
@ -54,9 +42,6 @@ LL | while b_ref() {}
| |
| expected bool, found &bool
| help: consider dereferencing the borrow: `*b_ref()`
|
= note: expected type `bool`
found reference `&bool`
error[E0308]: mismatched types
--> $DIR/if-no-match-bindings.rs:25:11
@ -66,9 +51,6 @@ LL | while b_mut_ref() {}
| |
| expected bool, found &mut bool
| help: consider dereferencing the borrow: `*b_mut_ref()`
|
= note: expected type `bool`
found mutable reference `&mut bool`
error[E0308]: mismatched types
--> $DIR/if-no-match-bindings.rs:26:11
@ -78,9 +60,6 @@ LL | while &true {}
| |
| expected bool, found &bool
| help: consider removing the borrow: `true`
|
= note: expected type `bool`
found reference `&bool`
error[E0308]: mismatched types
--> $DIR/if-no-match-bindings.rs:27:11
@ -90,9 +69,6 @@ LL | while &mut true {}
| |
| expected bool, found &mut bool
| help: consider removing the borrow: `true`
|
= note: expected type `bool`
found mutable reference `&mut bool`
error: aborting due to 8 previous errors

12
src/test/ui/if/if-without-else-as-fn-expr.stderr
View File

@ -8,8 +8,6 @@ LL | | return 3;
LL | | }
| |_____^ expected usize, found ()
|
= note: expected type `usize`
found unit type `()`
= note: `if` expressions without `else` evaluate to `()`
= help: consider adding an `else` block that evaluates to the expected type
@ -24,8 +22,6 @@ LL | | return 3;
LL | | };
| |_____^ expected usize, found ()
|
= note: expected type `usize`
found unit type `()`
= note: `if` expressions without `else` evaluate to `()`
= help: consider adding an `else` block that evaluates to the expected type
@ -39,8 +35,6 @@ LL | | 3
LL | | }
| |_____^ expected usize, found ()
|
= note: expected type `usize`
found unit type `()`
= note: `if` expressions without `else` evaluate to `()`
= help: consider adding an `else` block that evaluates to the expected type
@ -54,8 +48,6 @@ LL | | return 3;
LL | | }
| |_____^ expected usize, found ()
|
= note: expected type `usize`
found unit type `()`
= note: `if` expressions without `else` evaluate to `()`
= help: consider adding an `else` block that evaluates to the expected type
@ -70,8 +62,6 @@ LL | | return 3;
LL | | };
| |_____^ expected usize, found ()
|
= note: expected type `usize`
found unit type `()`
= note: `if` expressions without `else` evaluate to `()`
= help: consider adding an `else` block that evaluates to the expected type
@ -85,8 +75,6 @@ LL | | 3
LL | | }
| |_____^ expected usize, found ()
|
= note: expected type `usize`
found unit type `()`
= note: `if` expressions without `else` evaluate to `()`
= help: consider adding an `else` block that evaluates to the expected type

2
src/test/ui/if/if-without-else-result.rs
View File

@ -1,8 +1,6 @@
fn main() {
let a = if true { true };
//~^ ERROR if may be missing an else clause [E0317]
//~| expected unit type `()`
//~| found type `bool`
//~| expected (), found bool
println!("{}", a);
}

2
src/test/ui/if/if-without-else-result.stderr
View File

@ -7,8 +7,6 @@ LL | let a = if true { true };
| | found here
| expected (), found bool
|
= note: expected unit type `()`
found type `bool`
= note: `if` expressions without `else` evaluate to `()`
= help: consider adding an `else` block that evaluates to the expected type

3
src/test/ui/impl-trait/equality.stderr
View File

@ -9,9 +9,6 @@ LL | return 1_i32;
LL | }
LL | 0_u32
| ^^^^^ expected i32, found u32
|
= note: expected type `i32`
found type `u32`
error[E0277]: cannot add `impl Foo` to `u32`
--> $DIR/equality.rs:24:11

4
src/test/ui/include-macros/mismatched-types.stderr
View File

@ -2,7 +2,7 @@ error[E0308]: mismatched types
--> $DIR/mismatched-types.rs:2:20
|
LL | let b: &[u8] = include_str!("file.txt");
| ^^^^^^^^^^^^^^^^^^^^^^^^ expected slice, found str
| ^^^^^^^^^^^^^^^^^^^^^^^^ expected slice `[u8]`, found str
|
= note: expected reference `&[u8]`
found reference `&'static str`
@ -11,7 +11,7 @@ error[E0308]: mismatched types
--> $DIR/mismatched-types.rs:3:19
|
LL | let s: &str = include_bytes!("file.txt");
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected str, found array of 0 elements
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected str, found array `[u8; 0]`
|
= note: expected reference `&str`
found reference `&'static [u8; 0]`

2
src/test/ui/integral-variable-unification-error.rs
View File

@ -2,7 +2,5 @@ fn main() {
let mut x = 2;
x = 5.0;
//~^ ERROR mismatched types
//~| expected type `{integer}`
//~| found type `{float}`
//~| expected integer, found floating-point number
}

3
src/test/ui/integral-variable-unification-error.stderr
View File

@ -3,9 +3,6 @@ error[E0308]: mismatched types
|
LL | x = 5.0;
| ^^^ expected integer, found floating-point number
|
= note: expected type `{integer}`
found type `{float}`
error: aborting due to previous error

1
src/test/ui/issues/issue-11319.rs
View File

@ -8,7 +8,6 @@ fn main() {
None => (),
//~^ ERROR match arms have incompatible types
//~| NOTE expected bool, found ()
//~| NOTE expected type `bool`
_ => true
}
}

3
src/test/ui/issues/issue-11319.stderr
View File

@ -15,9 +15,6 @@ LL | | None => (),
LL | | _ => true
LL | | }
| |_____- `match` arms have incompatible types
|
= note: expected type `bool`
found unit type `()`
error: aborting due to previous error

5
src/test/ui/issues/issue-12997-2.stderr
View File

@ -2,10 +2,7 @@ error[E0308]: mismatched types
--> $DIR/issue-12997-2.rs:8:1
|
LL | fn bar(x: isize) { }
| ^^^^^^^^^^^^^^^^^^^^ expected isize, found mutable reference
|
= note: expected type `isize`
found mutable reference `&mut test::Bencher`
| ^^^^^^^^^^^^^^^^^^^^ expected isize, found &mut test::Bencher
error: aborting due to previous error

3
src/test/ui/issues/issue-13407.stderr
View File

@ -9,9 +9,6 @@ error[E0308]: mismatched types
|
LL | A::C = 1;
| ^ expected struct `A::C`, found integer
|
= note: expected struct `A::C`
found type `{integer}`
error[E0070]: invalid left-hand side expression
--> $DIR/issue-13407.rs:6:5

2
src/test/ui/issues/issue-13446.stderr
View File

@ -2,7 +2,7 @@ error[E0308]: mismatched types
--> $DIR/issue-13446.rs:3:26
|
LL | static VEC: [u32; 256] = vec![];
| ^^^^^^ expected array of 256 elements, found struct `std::vec::Vec`
| ^^^^^^ expected array `[u32; 256]`, found struct `std::vec::Vec`
|
= note: expected array `[u32; 256]`
found struct `std::vec::Vec<_>`

3
src/test/ui/issues/issue-14091.stderr
View File

@ -3,9 +3,6 @@ error[E0308]: mismatched types
|
LL | assert!(1,1);
| ^^^^^^^^^^^^^ expected bool, found integer
|
= note: expected type `bool`
found type `{integer}`
error: aborting due to previous error

2
src/test/ui/issues/issue-14541.rs
View File

@ -5,8 +5,6 @@ fn make(v: Vec2) {
let Vec3 { y: _, z: _ } = v;
//~^ ERROR mismatched types
//~| expected struct `Vec2`, found struct `Vec3`
//~| expected struct `Vec2`
//~| found struct `Vec3`
}
fn main() { }

3
src/test/ui/issues/issue-14541.stderr
View File

@ -3,9 +3,6 @@ error[E0308]: mismatched types
|
LL | let Vec3 { y: _, z: _ } = v;
| ^^^^^^^^^^^^^^^^^^^ expected struct `Vec2`, found struct `Vec3`
|
= note: expected struct `Vec2`
found struct `Vec3`
error: aborting due to previous error

2
src/test/ui/issues/issue-15783.rs
View File

@ -9,6 +9,6 @@ fn main() {
//~^ ERROR mismatched types
//~| expected enum `std::option::Option<&[&str]>`
//~| found enum `std::option::Option<&[&str; 1]>`
//~| expected slice, found array of 1 element
//~| expected slice `[&str]`, found array `[&str; 1]`
assert_eq!(msg, 3);
}

2
src/test/ui/issues/issue-15783.stderr
View File

@ -2,7 +2,7 @@ error[E0308]: mismatched types
--> $DIR/issue-15783.rs:8:19
|
LL | let msg = foo(x);
| ^ expected slice, found array of 1 element
| ^ expected slice `[&str]`, found array `[&str; 1]`
|
= note: expected enum `std::option::Option<&[&str]>`
found enum `std::option::Option<&[&str; 1]>`

2
src/test/ui/issues/issue-15896.rs
View File

@ -11,8 +11,6 @@ fn main() {
Tau{t: x},
//~^ ERROR mismatched types
//~| expected enum `main::R`, found struct `main::Tau`
//~| expected enum `main::R`
//~| found struct `main::Tau`
_) => x,
};
}

3
src/test/ui/issues/issue-15896.stderr
View File

@ -6,9 +6,6 @@ LL | let u = match e {
LL | E::B(
LL | Tau{t: x},
| ^^^^^^^^^ expected enum `main::R`, found struct `main::Tau`
|
= note: expected enum `main::R`
found struct `main::Tau`
error: aborting due to previous error

2
src/test/ui/issues/issue-17033.rs
View File

@ -1,7 +1,5 @@
fn f<'r>(p: &'r mut fn(p: &mut ())) {
(*p)(()) //~ ERROR mismatched types
//~| expected mutable reference `&mut ()`
//~| found unit type `()`
//~| expected &mut (), found ()
}

3
src/test/ui/issues/issue-17033.stderr
View File

@ -6,9 +6,6 @@ LL | (*p)(())
| |
| expected &mut (), found ()
| help: consider mutably borrowing here: `&mut ()`
|
= note: expected mutable reference `&mut ()`
found unit type `()`
error: aborting due to previous error

2
src/test/ui/issues/issue-19991.rs
View File

@ -3,8 +3,6 @@
fn main() {
if let Some(homura) = Some("madoka") { //~ ERROR missing an else clause
//~| expected unit type `()`
//~| found type `{integer}`
//~| expected (), found integer
765
};

4
src/test/ui/issues/issue-19991.stderr
View File

@ -3,15 +3,11 @@ error[E0317]: if may be missing an else clause
|
LL | / if let Some(homura) = Some("madoka") {
LL | |
LL | |
LL | |
LL | | 765
| | --- found here
LL | | };
| |_____^ expected (), found integer
|
= note: expected unit type `()`
found type `{integer}`
= note: `if` expressions without `else` evaluate to `()`
= help: consider adding an `else` block that evaluates to the expected type

3
src/test/ui/issues/issue-20225.rs
View File

@ -5,13 +5,11 @@ struct Foo;
impl<'a, T> Fn<(&'a T,)> for Foo {
extern "rust-call" fn call(&self, (_,): (T,)) {}
//~^ ERROR: has an incompatible type for trait
//~| expected reference
}
impl<'a, T> FnMut<(&'a T,)> for Foo {
extern "rust-call" fn call_mut(&mut self, (_,): (T,)) {}
//~^ ERROR: has an incompatible type for trait
//~| expected reference
}
impl<'a, T> FnOnce<(&'a T,)> for Foo {
@ -19,7 +17,6 @@ impl<'a, T> FnOnce<(&'a T,)> for Foo {
extern "rust-call" fn call_once(self, (_,): (T,)) {}
//~^ ERROR: has an incompatible type for trait
//~| expected reference
}
fn main() {}

10
src/test/ui/issues/issue-20225.stderr
View File

@ -4,7 +4,7 @@ error[E0053]: method `call` has an incompatible type for trait
LL | impl<'a, T> Fn<(&'a T,)> for Foo {
| - this type parameter
LL | extern "rust-call" fn call(&self, (_,): (T,)) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected reference, found type parameter `T`
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected &T, found type parameter `T`
|
= note: expected fn pointer `extern "rust-call" fn(&Foo, (&'a T,))`
found fn pointer `extern "rust-call" fn(&Foo, (T,))`
@ -12,12 +12,12 @@ LL | extern "rust-call" fn call(&self, (_,): (T,)) {}
= note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
error[E0053]: method `call_mut` has an incompatible type for trait
--> $DIR/issue-20225.rs:12:3
--> $DIR/issue-20225.rs:11:3
|
LL | impl<'a, T> FnMut<(&'a T,)> for Foo {
| - this type parameter
LL | extern "rust-call" fn call_mut(&mut self, (_,): (T,)) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected reference, found type parameter `T`
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected &T, found type parameter `T`
|
= note: expected fn pointer `extern "rust-call" fn(&mut Foo, (&'a T,))`
found fn pointer `extern "rust-call" fn(&mut Foo, (T,))`
@ -25,13 +25,13 @@ LL | extern "rust-call" fn call_mut(&mut self, (_,): (T,)) {}
= note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
error[E0053]: method `call_once` has an incompatible type for trait
--> $DIR/issue-20225.rs:20:3
--> $DIR/issue-20225.rs:18:3
|
LL | impl<'a, T> FnOnce<(&'a T,)> for Foo {
| - this type parameter
...
LL | extern "rust-call" fn call_once(self, (_,): (T,)) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected reference, found type parameter `T`
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected &T, found type parameter `T`
|
= note: expected fn pointer `extern "rust-call" fn(Foo, (&'a T,))`
found fn pointer `extern "rust-call" fn(Foo, (T,))`

3
src/test/ui/issues/issue-22684.stderr
View File

@ -3,9 +3,6 @@ error[E0308]: mismatched types
|
LL | let _: () = foo::Foo.bar();
| ^^^^^^^^^^^^^^ expected (), found bool
|
= note: expected unit type `()`
found type `bool`
error: aborting due to previous error

3
src/test/ui/issues/issue-23589.stderr
View File

@ -12,9 +12,6 @@ error[E0308]: mismatched types
|
LL | let v: Vec(&str) = vec!['1', '2'];
| ^^^ expected &str, found char
|
= note: expected reference `&str`
found type `char`
error: aborting due to 2 previous errors

2
src/test/ui/issues/issue-27008.rs
View File

@ -4,6 +4,4 @@ fn main() {
let b = [0; S];
//~^ ERROR mismatched types
//~| expected usize, found struct `S`
//~| expected type `usize`
//~| found struct `S`
}

3
src/test/ui/issues/issue-27008.stderr
View File

@ -3,9 +3,6 @@ error[E0308]: mismatched types
|
LL | let b = [0; S];
| ^ expected usize, found struct `S`
|
= note: expected type `usize`
found struct `S`
error: aborting due to previous error

12
src/test/ui/issues/issue-27042.stderr
View File

@ -16,9 +16,6 @@ LL | loop { break };
| |
| expected i32, found ()
| help: give it a value of the expected type: `break 42`
|
= note: expected type `i32`
found unit type `()`
error[E0308]: mismatched types
--> $DIR/issue-27042.rs:8:9
@ -27,9 +24,6 @@ LL | / 'b:
LL | |
LL | | while true { break }; // but here we cite the whole loop
| |____________________________^ expected i32, found ()
|
= note: expected type `i32`
found unit type `()`
error[E0308]: mismatched types
--> $DIR/issue-27042.rs:12:9
@ -37,9 +31,6 @@ error[E0308]: mismatched types
LL | / 'c:
LL | | for _ in None { break }; // but here we cite the whole loop
| |_______________________________^ expected i32, found ()
|
= note: expected type `i32`
found unit type `()`
error[E0308]: mismatched types
--> $DIR/issue-27042.rs:15:9
@ -47,9 +38,6 @@ error[E0308]: mismatched types
LL | / 'd:
LL | | while let Some(_) = None { break };
| |__________________________________________^ expected i32, found ()
|
= note: expected type `i32`
found unit type `()`
error: aborting due to 4 previous errors

2
src/test/ui/issues/issue-29084.rs
View File

@ -4,8 +4,6 @@ macro_rules! foo {
bar(&mut $d);
//~^ ERROR mismatched types
//~| expected u8, found &mut u8
//~| expected type `u8`
//~| found mutable reference `&mut u8`
}}
}

3
src/test/ui/issues/issue-29084.stderr
View File

@ -6,9 +6,6 @@ LL | bar(&mut $d);
...
LL | foo!(0u8);
| ---------- in this macro invocation
|
= note: expected type `u8`
found mutable reference `&mut u8`
error: aborting due to previous error

3
src/test/ui/issues/issue-30225.stderr
View File

@ -3,9 +3,6 @@ error[E0308]: mismatched types
|
LL | u = v; // mark $0 and $1 in a subtype relationship
| ^ expected struct `A`, found struct `B`
|
= note: expected struct `A`
found struct `B`
error: aborting due to previous error

3
src/test/ui/issues/issue-33504.stderr
View File

@ -3,9 +3,6 @@ error[E0308]: mismatched types
|
LL | let Test = 1;
| ^^^^ expected integer, found struct `Test`
|
= note: expected type `{integer}`
found struct `Test`
error: aborting due to previous error

6
src/test/ui/issues/issue-37026.stderr
View File

@ -3,18 +3,12 @@ error[E0308]: mismatched types
|
LL | let empty_struct::XEmpty2 = ();
| ^^^^^^^^^^^^^^^^^^^^^ expected (), found struct `empty_struct::XEmpty2`
|
= note: expected unit type `()`
found struct `empty_struct::XEmpty2`
error[E0308]: mismatched types
--> $DIR/issue-37026.rs:7:9
|
LL | let empty_struct::XEmpty6(..) = ();
| ^^^^^^^^^^^^^^^^^^^^^^^^^ expected (), found struct `empty_struct::XEmpty6`
|
= note: expected unit type `()`
found struct `empty_struct::XEmpty6`
error: aborting due to 2 previous errors

3
src/test/ui/issues/issue-37665.stderr
View File

@ -3,9 +3,6 @@ error[E0308]: mismatched types
|
LL | let x: () = 0;
| ^ expected (), found integer
|
= note: expected unit type `()`
found type `{integer}`
error: aborting due to previous error

2
src/test/ui/issues/issue-39970.stderr
View File

@ -7,8 +7,6 @@ LL | fn visit() {}
LL | <() as Visit>::visit();
| ^^^^^^^^^^^^^^^^^^^^ expected &(), found ()
|
= note: expected reference `&()`
found unit type `()`
= note: required because of the requirements on the impl of `Visit` for `()`
error: aborting due to previous error

3
src/test/ui/issues/issue-41549.stderr
View File

@ -3,9 +3,6 @@ error[E0326]: implemented const `CONST` has an incompatible type for trait
|
LL | const CONST: () = ();
| ^^ expected u32, found ()
|
= note: expected type `u32`
found unit type `()`
error: aborting due to previous error

Some files were not shown because too many files have changed in this diff Show More