Rollup merge of #67990 - Centril:slice-pats-move-tests-match, r=matthewjasper
slice patterns: harden match-based borrowck tests This hardens some move-checking tests wrt. slice patterns and `match` expressions. r? @matthewjasper cc @pnkfelix cc https://github.com/rust-lang/rust/pull/67712 cc https://github.com/rust-lang/rust/issues/53114
This commit is contained in:
commit
916a7d3a2c
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@ -0,0 +1,118 @@
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#![feature(slice_patterns)]
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fn array() -> [(String, String); 3] {
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Default::default()
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}
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// Const Index + Const Index
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fn move_out_from_begin_and_end() {
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let a = array();
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match a {
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[_, _, _x] => {}
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}
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match a {
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[.., _y] => {} //~ ERROR use of moved value
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}
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}
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fn move_out_from_begin_field_and_end() {
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let a = array();
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match a {
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[_, _, (_x, _)] => {}
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}
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match a {
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[.., _y] => {} //~ ERROR use of moved value
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}
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}
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fn move_out_from_begin_field_and_end_field() {
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let a = array();
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match a {
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[_, _, (_x, _)] => {}
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}
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match a {
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[.., (_y, _)] => {} //~ ERROR use of moved value
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}
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}
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// Const Index + Slice
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fn move_out_by_const_index_and_subslice() {
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let a = array();
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match a {
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[_x, _, _] => {}
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}
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match a {
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//~^ ERROR use of moved value
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[_y @ .., _, _] => {}
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}
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}
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fn move_out_by_const_index_end_and_subslice() {
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let a = array();
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match a {
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[.., _x] => {}
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}
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match a {
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//~^ ERROR use of moved value
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[_, _, _y @ ..] => {}
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}
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}
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fn move_out_by_const_index_field_and_subslice() {
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let a = array();
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match a {
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[(_x, _), _, _] => {}
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}
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match a {
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//~^ ERROR use of moved value
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[_y @ .., _, _] => {}
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}
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}
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fn move_out_by_const_index_end_field_and_subslice() {
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let a = array();
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match a {
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[.., (_x, _)] => {}
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}
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match a {
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//~^ ERROR use of moved value
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[_, _, _y @ ..] => {}
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}
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}
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fn move_out_by_subslice_and_const_index_field() {
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let a = array();
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match a {
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[_y @ .., _, _] => {}
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}
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match a {
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[(_x, _), _, _] => {} //~ ERROR use of moved value
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}
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}
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fn move_out_by_subslice_and_const_index_end_field() {
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let a = array();
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match a {
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[_, _, _y @ ..] => {}
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}
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match a {
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[.., (_x, _)] => {} //~ ERROR use of moved value
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}
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}
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// Slice + Slice
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fn move_out_by_subslice_and_subslice() {
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let a = array();
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match a {
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[x @ .., _] => {}
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}
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match a {
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//~^ ERROR use of moved value
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[_, _y @ ..] => {}
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}
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}
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fn main() {}
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@ -0,0 +1,113 @@
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error[E0382]: use of moved value: `a[..]`
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--> $DIR/borrowck-move-out-from-array-match.rs:15:14
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|
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LL | [_, _, _x] => {}
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| -- value moved here
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...
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LL | [.., _y] => {}
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| ^^ value used here after move
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|
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= note: move occurs because `a[..]` has type `(std::string::String, std::string::String)`, which does not implement the `Copy` trait
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error[E0382]: use of moved value: `a[..]`
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--> $DIR/borrowck-move-out-from-array-match.rs:25:14
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|
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LL | [_, _, (_x, _)] => {}
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| -- value moved here
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...
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LL | [.., _y] => {}
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| ^^ value used here after partial move
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|
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= note: move occurs because `a[..].0` has type `std::string::String`, which does not implement the `Copy` trait
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error[E0382]: use of moved value: `a[..].0`
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--> $DIR/borrowck-move-out-from-array-match.rs:35:15
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|
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LL | [_, _, (_x, _)] => {}
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| -- value moved here
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...
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LL | [.., (_y, _)] => {}
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| ^^ value used here after move
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|
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= note: move occurs because `a[..].0` has type `std::string::String`, which does not implement the `Copy` trait
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error[E0382]: use of moved value: `a`
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--> $DIR/borrowck-move-out-from-array-match.rs:46:11
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|
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LL | [_x, _, _] => {}
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| -- value moved here
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LL | }
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LL | match a {
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| ^ value used here after partial move
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|
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= note: move occurs because `a[..]` has type `(std::string::String, std::string::String)`, which does not implement the `Copy` trait
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error[E0382]: use of moved value: `a`
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--> $DIR/borrowck-move-out-from-array-match.rs:57:11
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|
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LL | [.., _x] => {}
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| -- value moved here
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LL | }
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LL | match a {
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| ^ value used here after partial move
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|
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= note: move occurs because `a[..]` has type `(std::string::String, std::string::String)`, which does not implement the `Copy` trait
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error[E0382]: use of moved value: `a`
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--> $DIR/borrowck-move-out-from-array-match.rs:68:11
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|
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LL | [(_x, _), _, _] => {}
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| -- value moved here
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LL | }
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LL | match a {
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| ^ value used here after partial move
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|
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= note: move occurs because `a[..].0` has type `std::string::String`, which does not implement the `Copy` trait
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error[E0382]: use of moved value: `a`
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--> $DIR/borrowck-move-out-from-array-match.rs:79:11
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|
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LL | [.., (_x, _)] => {}
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| -- value moved here
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LL | }
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LL | match a {
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| ^ value used here after partial move
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||||
|
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= note: move occurs because `a[..].0` has type `std::string::String`, which does not implement the `Copy` trait
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error[E0382]: use of moved value: `a[..].0`
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--> $DIR/borrowck-move-out-from-array-match.rs:91:11
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|
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LL | [_y @ .., _, _] => {}
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| ------- value moved here
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...
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LL | [(_x, _), _, _] => {}
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||||
| ^^ value used here after move
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||||
|
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||||
= note: move occurs because `a[..]` has type `(std::string::String, std::string::String)`, which does not implement the `Copy` trait
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error[E0382]: use of moved value: `a[..].0`
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--> $DIR/borrowck-move-out-from-array-match.rs:101:15
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|
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LL | [_, _, _y @ ..] => {}
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| ------- value moved here
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...
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LL | [.., (_x, _)] => {}
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||||
| ^^ value used here after move
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||||
|
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||||
= note: move occurs because `a[..]` has type `(std::string::String, std::string::String)`, which does not implement the `Copy` trait
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error[E0382]: use of moved value: `a`
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--> $DIR/borrowck-move-out-from-array-match.rs:112:11
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|
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LL | [x @ .., _] => {}
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| ------ value moved here
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LL | }
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LL | match a {
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| ^ value used here after partial move
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|
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= note: move occurs because `a[..]` has type `(std::string::String, std::string::String)`, which does not implement the `Copy` trait
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error: aborting due to 10 previous errors
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For more information about this error, try `rustc --explain E0382`.
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@ -0,0 +1,117 @@
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// Due to #53114, which causes a "read" of the `_` patterns,
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// the borrow-checker refuses this code, while it should probably be allowed.
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// Once the bug is fixed, the test, which is derived from a
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// passing test for `let` statements, should become check-pass.
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#![feature(slice_patterns)]
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fn array() -> [(String, String); 3] {
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Default::default()
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}
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|
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// Const Index + Const Index
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fn move_out_from_begin_and_one_from_end() {
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let a = array();
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match a {
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[_, _, _x] => {}
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||||
}
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match a {
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//~^ ERROR use of moved value
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[.., _y, _] => {}
|
||||
}
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}
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|
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fn move_out_from_begin_field_and_end_field() {
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let a = array();
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match a {
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[_, _, (_x, _)] => {}
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||||
}
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match a {
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||||
//~^ ERROR use of moved value
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[.., (_, _y)] => {}
|
||||
}
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}
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|
||||
// Const Index + Slice
|
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|
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fn move_out_by_const_index_and_subslice() {
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let a = array();
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match a {
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[_x, _, _] => {}
|
||||
}
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match a {
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//~^ ERROR use of moved value
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[_, _y @ ..] => {}
|
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}
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}
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|
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fn move_out_by_const_index_end_and_subslice() {
|
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let a = array();
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match a {
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[.., _x] => {}
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}
|
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match a {
|
||||
//~^ ERROR use of moved value
|
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[_y @ .., _] => {}
|
||||
}
|
||||
}
|
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|
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fn move_out_by_const_index_field_and_subslice() {
|
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let a = array();
|
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match a {
|
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[(_x, _), _, _] => {}
|
||||
}
|
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match a {
|
||||
//~^ ERROR use of moved value
|
||||
[_, _y @ ..] => {}
|
||||
}
|
||||
}
|
||||
|
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fn move_out_by_const_index_end_field_and_subslice() {
|
||||
let a = array();
|
||||
match a {
|
||||
[.., (_x, _)] => {}
|
||||
}
|
||||
match a {
|
||||
//~^ ERROR use of moved value
|
||||
[_y @ .., _] => {}
|
||||
}
|
||||
}
|
||||
|
||||
fn move_out_by_const_subslice_and_index_field() {
|
||||
let a = array();
|
||||
match a {
|
||||
[_, _y @ ..] => {}
|
||||
}
|
||||
match a {
|
||||
//~^ ERROR use of moved value
|
||||
[(_x, _), _, _] => {}
|
||||
}
|
||||
}
|
||||
|
||||
fn move_out_by_const_subslice_and_end_index_field() {
|
||||
let a = array();
|
||||
match a {
|
||||
[_y @ .., _] => {}
|
||||
}
|
||||
match a {
|
||||
//~^ ERROR use of moved value
|
||||
[.., (_x, _)] => {}
|
||||
}
|
||||
}
|
||||
|
||||
// Slice + Slice
|
||||
|
||||
fn move_out_by_subslice_and_subslice() {
|
||||
let a = array();
|
||||
match a {
|
||||
[x @ .., _, _] => {}
|
||||
}
|
||||
match a {
|
||||
//~^ ERROR use of moved value
|
||||
[_, _y @ ..] => {}
|
||||
}
|
||||
}
|
||||
|
||||
fn main() {}
|
|
@ -0,0 +1,102 @@
|
|||
error[E0382]: use of moved value: `a`
|
||||
--> $DIR/borrowck-move-out-from-array-no-overlap-match.rs:19:11
|
||||
|
|
||||
LL | [_, _, _x] => {}
|
||||
| -- value moved here
|
||||
LL | }
|
||||
LL | match a {
|
||||
| ^ value used here after partial move
|
||||
|
|
||||
= note: move occurs because `a[..]` has type `(std::string::String, std::string::String)`, which does not implement the `Copy` trait
|
||||
|
||||
error[E0382]: use of moved value: `a`
|
||||
--> $DIR/borrowck-move-out-from-array-no-overlap-match.rs:30:11
|
||||
|
|
||||
LL | [_, _, (_x, _)] => {}
|
||||
| -- value moved here
|
||||
LL | }
|
||||
LL | match a {
|
||||
| ^ value used here after partial move
|
||||
|
|
||||
= note: move occurs because `a[..].0` has type `std::string::String`, which does not implement the `Copy` trait
|
||||
|
||||
error[E0382]: use of moved value: `a`
|
||||
--> $DIR/borrowck-move-out-from-array-no-overlap-match.rs:43:11
|
||||
|
|
||||
LL | [_x, _, _] => {}
|
||||
| -- value moved here
|
||||
LL | }
|
||||
LL | match a {
|
||||
| ^ value used here after partial move
|
||||
|
|
||||
= note: move occurs because `a[..]` has type `(std::string::String, std::string::String)`, which does not implement the `Copy` trait
|
||||
|
||||
error[E0382]: use of moved value: `a`
|
||||
--> $DIR/borrowck-move-out-from-array-no-overlap-match.rs:54:11
|
||||
|
|
||||
LL | [.., _x] => {}
|
||||
| -- value moved here
|
||||
LL | }
|
||||
LL | match a {
|
||||
| ^ value used here after partial move
|
||||
|
|
||||
= note: move occurs because `a[..]` has type `(std::string::String, std::string::String)`, which does not implement the `Copy` trait
|
||||
|
||||
error[E0382]: use of moved value: `a`
|
||||
--> $DIR/borrowck-move-out-from-array-no-overlap-match.rs:65:11
|
||||
|
|
||||
LL | [(_x, _), _, _] => {}
|
||||
| -- value moved here
|
||||
LL | }
|
||||
LL | match a {
|
||||
| ^ value used here after partial move
|
||||
|
|
||||
= note: move occurs because `a[..].0` has type `std::string::String`, which does not implement the `Copy` trait
|
||||
|
||||
error[E0382]: use of moved value: `a`
|
||||
--> $DIR/borrowck-move-out-from-array-no-overlap-match.rs:76:11
|
||||
|
|
||||
LL | [.., (_x, _)] => {}
|
||||
| -- value moved here
|
||||
LL | }
|
||||
LL | match a {
|
||||
| ^ value used here after partial move
|
||||
|
|
||||
= note: move occurs because `a[..].0` has type `std::string::String`, which does not implement the `Copy` trait
|
||||
|
||||
error[E0382]: use of moved value: `a`
|
||||
--> $DIR/borrowck-move-out-from-array-no-overlap-match.rs:87:11
|
||||
|
|
||||
LL | [_, _y @ ..] => {}
|
||||
| ------- value moved here
|
||||
LL | }
|
||||
LL | match a {
|
||||
| ^ value used here after partial move
|
||||
|
|
||||
= note: move occurs because `a[..]` has type `(std::string::String, std::string::String)`, which does not implement the `Copy` trait
|
||||
|
||||
error[E0382]: use of moved value: `a`
|
||||
--> $DIR/borrowck-move-out-from-array-no-overlap-match.rs:98:11
|
||||
|
|
||||
LL | [_y @ .., _] => {}
|
||||
| ------- value moved here
|
||||
LL | }
|
||||
LL | match a {
|
||||
| ^ value used here after partial move
|
||||
|
|
||||
= note: move occurs because `a[..]` has type `(std::string::String, std::string::String)`, which does not implement the `Copy` trait
|
||||
|
||||
error[E0382]: use of moved value: `a`
|
||||
--> $DIR/borrowck-move-out-from-array-no-overlap-match.rs:111:11
|
||||
|
|
||||
LL | [x @ .., _, _] => {}
|
||||
| ------ value moved here
|
||||
LL | }
|
||||
LL | match a {
|
||||
| ^ value used here after partial move
|
||||
|
|
||||
= note: move occurs because `a[..]` has type `(std::string::String, std::string::String)`, which does not implement the `Copy` trait
|
||||
|
||||
error: aborting due to 9 previous errors
|
||||
|
||||
For more information about this error, try `rustc --explain E0382`.
|
|
@ -0,0 +1,152 @@
|
|||
#![feature(slice_patterns)]
|
||||
|
||||
fn array() -> [(String, String); 3] {
|
||||
Default::default()
|
||||
}
|
||||
|
||||
// Const Index + Const Index
|
||||
|
||||
fn move_out_from_begin_and_end() {
|
||||
let a = array();
|
||||
match a {
|
||||
[_, _, _x] => {}
|
||||
}
|
||||
match a {
|
||||
[.., ref _y] => {} //~ ERROR [E0382]
|
||||
}
|
||||
}
|
||||
|
||||
fn move_out_from_begin_field_and_end() {
|
||||
let a = array();
|
||||
match a {
|
||||
[_, _, (_x, _)] => {}
|
||||
}
|
||||
match a {
|
||||
[.., ref _y] => {} //~ ERROR [E0382]
|
||||
}
|
||||
}
|
||||
|
||||
fn move_out_from_begin_field_and_end_field() {
|
||||
let a = array();
|
||||
match a {
|
||||
[_, _, (_x, _)] => {}
|
||||
}
|
||||
match a {
|
||||
[.., (ref _y, _)] => {} //~ ERROR [E0382]
|
||||
}
|
||||
}
|
||||
|
||||
// Const Index + Slice
|
||||
|
||||
fn move_out_by_const_index_and_subslice() {
|
||||
let a = array();
|
||||
match a {
|
||||
[_x, _, _] => {}
|
||||
}
|
||||
match a {
|
||||
//~^ ERROR [E0382]
|
||||
[ref _y @ .., _, _] => {}
|
||||
}
|
||||
}
|
||||
|
||||
fn move_out_by_const_index_end_and_subslice() {
|
||||
let a = array();
|
||||
match a {
|
||||
[.., _x] => {}
|
||||
}
|
||||
match a {
|
||||
//~^ ERROR [E0382]
|
||||
[_, _, ref _y @ ..] => {}
|
||||
}
|
||||
}
|
||||
|
||||
fn move_out_by_const_index_field_and_subslice() {
|
||||
let a = array();
|
||||
match a {
|
||||
[(_x, _), _, _] => {}
|
||||
}
|
||||
match a {
|
||||
//~^ ERROR [E0382]
|
||||
[ref _y @ .., _, _] => {}
|
||||
}
|
||||
}
|
||||
|
||||
fn move_out_by_const_index_end_field_and_subslice() {
|
||||
let a = array();
|
||||
match a {
|
||||
[.., (_x, _)] => {}
|
||||
}
|
||||
match a {
|
||||
//~^ ERROR [E0382]
|
||||
[_, _, ref _y @ ..] => {}
|
||||
}
|
||||
}
|
||||
|
||||
fn move_out_by_subslice_and_const_index_field() {
|
||||
let a = array();
|
||||
match a {
|
||||
[_y @ .., _, _] => {}
|
||||
}
|
||||
match a {
|
||||
[(ref _x, _), _, _] => {} //~ ERROR [E0382]
|
||||
}
|
||||
}
|
||||
|
||||
fn move_out_by_subslice_and_const_index_end_field() {
|
||||
let a = array();
|
||||
match a {
|
||||
[_, _, _y @ ..] => {}
|
||||
}
|
||||
match a {
|
||||
[.., (ref _x, _)] => {} //~ ERROR [E0382]
|
||||
}
|
||||
}
|
||||
|
||||
// Slice + Slice
|
||||
|
||||
fn move_out_by_subslice_and_subslice() {
|
||||
let a = array();
|
||||
match a {
|
||||
[x @ .., _] => {}
|
||||
}
|
||||
match a {
|
||||
//~^ ERROR [E0382]
|
||||
[_, ref _y @ ..] => {}
|
||||
}
|
||||
}
|
||||
|
||||
// Move + Assign
|
||||
|
||||
fn move_out_and_assign_end() {
|
||||
let mut a = array();
|
||||
match a {
|
||||
[_, _, _x] => {}
|
||||
}
|
||||
a[2] = Default::default(); //~ ERROR [E0382]
|
||||
}
|
||||
|
||||
fn move_out_and_assign_end_field() {
|
||||
let mut a = array();
|
||||
match a {
|
||||
[_, _, (_x, _)] => {}
|
||||
}
|
||||
a[2].1 = Default::default(); //~ ERROR [E0382]
|
||||
}
|
||||
|
||||
fn move_out_slice_and_assign_end() {
|
||||
let mut a = array();
|
||||
match a {
|
||||
[_, _, _x @ ..] => {}
|
||||
}
|
||||
a[0] = Default::default(); //~ ERROR [E0382]
|
||||
}
|
||||
|
||||
fn move_out_slice_and_assign_end_field() {
|
||||
let mut a = array();
|
||||
match a {
|
||||
[_, _, _x @ ..] => {}
|
||||
}
|
||||
a[0].1 = Default::default(); //~ ERROR [E0382]
|
||||
}
|
||||
|
||||
fn main() {}
|
|
@ -0,0 +1,157 @@
|
|||
error[E0382]: borrow of moved value: `a[..]`
|
||||
--> $DIR/borrowck-move-out-from-array-use-match.rs:15:14
|
||||
|
|
||||
LL | [_, _, _x] => {}
|
||||
| -- value moved here
|
||||
...
|
||||
LL | [.., ref _y] => {}
|
||||
| ^^^^^^ value borrowed here after move
|
||||
|
|
||||
= note: move occurs because `a[..]` has type `(std::string::String, std::string::String)`, which does not implement the `Copy` trait
|
||||
|
||||
error[E0382]: borrow of moved value: `a[..]`
|
||||
--> $DIR/borrowck-move-out-from-array-use-match.rs:25:14
|
||||
|
|
||||
LL | [_, _, (_x, _)] => {}
|
||||
| -- value moved here
|
||||
...
|
||||
LL | [.., ref _y] => {}
|
||||
| ^^^^^^ value borrowed here after partial move
|
||||
|
|
||||
= note: move occurs because `a[..].0` has type `std::string::String`, which does not implement the `Copy` trait
|
||||
|
||||
error[E0382]: borrow of moved value: `a[..].0`
|
||||
--> $DIR/borrowck-move-out-from-array-use-match.rs:35:15
|
||||
|
|
||||
LL | [_, _, (_x, _)] => {}
|
||||
| -- value moved here
|
||||
...
|
||||
LL | [.., (ref _y, _)] => {}
|
||||
| ^^^^^^ value borrowed here after move
|
||||
|
|
||||
= note: move occurs because `a[..].0` has type `std::string::String`, which does not implement the `Copy` trait
|
||||
|
||||
error[E0382]: use of moved value: `a`
|
||||
--> $DIR/borrowck-move-out-from-array-use-match.rs:46:11
|
||||
|
|
||||
LL | [_x, _, _] => {}
|
||||
| -- value moved here
|
||||
LL | }
|
||||
LL | match a {
|
||||
| ^ value used here after partial move
|
||||
|
|
||||
= note: move occurs because `a[..]` has type `(std::string::String, std::string::String)`, which does not implement the `Copy` trait
|
||||
|
||||
error[E0382]: use of moved value: `a`
|
||||
--> $DIR/borrowck-move-out-from-array-use-match.rs:57:11
|
||||
|
|
||||
LL | [.., _x] => {}
|
||||
| -- value moved here
|
||||
LL | }
|
||||
LL | match a {
|
||||
| ^ value used here after partial move
|
||||
|
|
||||
= note: move occurs because `a[..]` has type `(std::string::String, std::string::String)`, which does not implement the `Copy` trait
|
||||
|
||||
error[E0382]: use of moved value: `a`
|
||||
--> $DIR/borrowck-move-out-from-array-use-match.rs:68:11
|
||||
|
|
||||
LL | [(_x, _), _, _] => {}
|
||||
| -- value moved here
|
||||
LL | }
|
||||
LL | match a {
|
||||
| ^ value used here after partial move
|
||||
|
|
||||
= note: move occurs because `a[..].0` has type `std::string::String`, which does not implement the `Copy` trait
|
||||
|
||||
error[E0382]: use of moved value: `a`
|
||||
--> $DIR/borrowck-move-out-from-array-use-match.rs:79:11
|
||||
|
|
||||
LL | [.., (_x, _)] => {}
|
||||
| -- value moved here
|
||||
LL | }
|
||||
LL | match a {
|
||||
| ^ value used here after partial move
|
||||
|
|
||||
= note: move occurs because `a[..].0` has type `std::string::String`, which does not implement the `Copy` trait
|
||||
|
||||
error[E0382]: borrow of moved value: `a[..]`
|
||||
--> $DIR/borrowck-move-out-from-array-use-match.rs:91:11
|
||||
|
|
||||
LL | [_y @ .., _, _] => {}
|
||||
| ------- value moved here
|
||||
...
|
||||
LL | [(ref _x, _), _, _] => {}
|
||||
| ^^^^^^ value borrowed here after move
|
||||
|
|
||||
= note: move occurs because `a[..]` has type `(std::string::String, std::string::String)`, which does not implement the `Copy` trait
|
||||
|
||||
error[E0382]: borrow of moved value: `a[..]`
|
||||
--> $DIR/borrowck-move-out-from-array-use-match.rs:101:15
|
||||
|
|
||||
LL | [_, _, _y @ ..] => {}
|
||||
| ------- value moved here
|
||||
...
|
||||
LL | [.., (ref _x, _)] => {}
|
||||
| ^^^^^^ value borrowed here after move
|
||||
|
|
||||
= note: move occurs because `a[..]` has type `(std::string::String, std::string::String)`, which does not implement the `Copy` trait
|
||||
|
||||
error[E0382]: use of moved value: `a`
|
||||
--> $DIR/borrowck-move-out-from-array-use-match.rs:112:11
|
||||
|
|
||||
LL | [x @ .., _] => {}
|
||||
| ------ value moved here
|
||||
LL | }
|
||||
LL | match a {
|
||||
| ^ value used here after partial move
|
||||
|
|
||||
= note: move occurs because `a[..]` has type `(std::string::String, std::string::String)`, which does not implement the `Copy` trait
|
||||
|
||||
error[E0382]: use of moved value: `a`
|
||||
--> $DIR/borrowck-move-out-from-array-use-match.rs:125:5
|
||||
|
|
||||
LL | [_, _, _x] => {}
|
||||
| -- value moved here
|
||||
LL | }
|
||||
LL | a[2] = Default::default();
|
||||
| ^^^^ value used here after partial move
|
||||
|
|
||||
= note: move occurs because `a[..]` has type `(std::string::String, std::string::String)`, which does not implement the `Copy` trait
|
||||
|
||||
error[E0382]: use of moved value: `a`
|
||||
--> $DIR/borrowck-move-out-from-array-use-match.rs:133:5
|
||||
|
|
||||
LL | [_, _, (_x, _)] => {}
|
||||
| -- value moved here
|
||||
LL | }
|
||||
LL | a[2].1 = Default::default();
|
||||
| ^^^^ value used here after partial move
|
||||
|
|
||||
= note: move occurs because `a[..].0` has type `std::string::String`, which does not implement the `Copy` trait
|
||||
|
||||
error[E0382]: use of moved value: `a`
|
||||
--> $DIR/borrowck-move-out-from-array-use-match.rs:141:5
|
||||
|
|
||||
LL | [_, _, _x @ ..] => {}
|
||||
| ------- value moved here
|
||||
LL | }
|
||||
LL | a[0] = Default::default();
|
||||
| ^^^^ value used here after partial move
|
||||
|
|
||||
= note: move occurs because `a[..]` has type `(std::string::String, std::string::String)`, which does not implement the `Copy` trait
|
||||
|
||||
error[E0382]: use of moved value: `a`
|
||||
--> $DIR/borrowck-move-out-from-array-use-match.rs:149:5
|
||||
|
|
||||
LL | [_, _, _x @ ..] => {}
|
||||
| ------- value moved here
|
||||
LL | }
|
||||
LL | a[0].1 = Default::default();
|
||||
| ^^^^ value used here after partial move
|
||||
|
|
||||
= note: move occurs because `a[..]` has type `(std::string::String, std::string::String)`, which does not implement the `Copy` trait
|
||||
|
||||
error: aborting due to 14 previous errors
|
||||
|
||||
For more information about this error, try `rustc --explain E0382`.
|
|
@ -0,0 +1,117 @@
|
|||
// Due to #53114, which causes a "read" of the `_` patterns,
|
||||
// the borrow-checker refuses this code, while it should probably be allowed.
|
||||
// Once the bug is fixed, the test, which is derived from a
|
||||
// passing test for `let` statements, should become check-pass.
|
||||
|
||||
#![feature(slice_patterns)]
|
||||
|
||||
fn array() -> [(String, String); 3] {
|
||||
Default::default()
|
||||
}
|
||||
|
||||
// Const Index + Const Index
|
||||
|
||||
fn move_out_from_begin_and_one_from_end() {
|
||||
let a = array();
|
||||
match a {
|
||||
[_, _, _x] => {}
|
||||
}
|
||||
match a {
|
||||
//~^ ERROR use of moved value
|
||||
[.., ref _y, _] => {}
|
||||
}
|
||||
}
|
||||
|
||||
fn move_out_from_begin_field_and_end_field() {
|
||||
let a = array();
|
||||
match a {
|
||||
[_, _, (_x, _)] => {}
|
||||
}
|
||||
match a {
|
||||
//~^ ERROR use of moved value
|
||||
[.., (_, ref _y)] => {}
|
||||
}
|
||||
}
|
||||
|
||||
// Const Index + Slice
|
||||
|
||||
fn move_out_by_const_index_and_subslice() {
|
||||
let a = array();
|
||||
match a {
|
||||
[_x, _, _] => {}
|
||||
}
|
||||
match a {
|
||||
//~^ ERROR use of moved value
|
||||
[_, ref _y @ ..] => {}
|
||||
}
|
||||
}
|
||||
|
||||
fn move_out_by_const_index_end_and_subslice() {
|
||||
let a = array();
|
||||
match a {
|
||||
[.., _x] => {}
|
||||
}
|
||||
match a {
|
||||
//~^ ERROR use of moved value
|
||||
[ref _y @ .., _] => {}
|
||||
}
|
||||
}
|
||||
|
||||
fn move_out_by_const_index_field_and_subslice() {
|
||||
let a = array();
|
||||
match a {
|
||||
[(_x, _), _, _] => {}
|
||||
}
|
||||
match a {
|
||||
//~^ ERROR use of moved value
|
||||
[_, ref _y @ ..] => {}
|
||||
}
|
||||
}
|
||||
|
||||
fn move_out_by_const_index_end_field_and_subslice() {
|
||||
let a = array();
|
||||
match a {
|
||||
[.., (_x, _)] => {}
|
||||
}
|
||||
match a {
|
||||
//~^ ERROR use of moved value
|
||||
[ref _y @ .., _] => {}
|
||||
}
|
||||
}
|
||||
|
||||
fn move_out_by_const_subslice_and_index_field() {
|
||||
let a = array();
|
||||
match a {
|
||||
[_, _y @ ..] => {}
|
||||
}
|
||||
match a {
|
||||
//~^ ERROR use of moved value
|
||||
[(ref _x, _), _, _] => {}
|
||||
}
|
||||
}
|
||||
|
||||
fn move_out_by_const_subslice_and_end_index_field() {
|
||||
let a = array();
|
||||
match a {
|
||||
[_y @ .., _] => {}
|
||||
}
|
||||
match a {
|
||||
//~^ ERROR use of moved value
|
||||
[.., (ref _x, _)] => {}
|
||||
}
|
||||
}
|
||||
|
||||
// Slice + Slice
|
||||
|
||||
fn move_out_by_subslice_and_subslice() {
|
||||
let a = array();
|
||||
match a {
|
||||
[x @ .., _, _] => {}
|
||||
}
|
||||
match a {
|
||||
//~^ ERROR use of moved value
|
||||
[_, ref _y @ ..] => {}
|
||||
}
|
||||
}
|
||||
|
||||
fn main() {}
|
|
@ -0,0 +1,102 @@
|
|||
error[E0382]: use of moved value: `a`
|
||||
--> $DIR/borrowck-move-out-from-array-use-no-overlap-match.rs:19:11
|
||||
|
|
||||
LL | [_, _, _x] => {}
|
||||
| -- value moved here
|
||||
LL | }
|
||||
LL | match a {
|
||||
| ^ value used here after partial move
|
||||
|
|
||||
= note: move occurs because `a[..]` has type `(std::string::String, std::string::String)`, which does not implement the `Copy` trait
|
||||
|
||||
error[E0382]: use of moved value: `a`
|
||||
--> $DIR/borrowck-move-out-from-array-use-no-overlap-match.rs:30:11
|
||||
|
|
||||
LL | [_, _, (_x, _)] => {}
|
||||
| -- value moved here
|
||||
LL | }
|
||||
LL | match a {
|
||||
| ^ value used here after partial move
|
||||
|
|
||||
= note: move occurs because `a[..].0` has type `std::string::String`, which does not implement the `Copy` trait
|
||||
|
||||
error[E0382]: use of moved value: `a`
|
||||
--> $DIR/borrowck-move-out-from-array-use-no-overlap-match.rs:43:11
|
||||
|
|
||||
LL | [_x, _, _] => {}
|
||||
| -- value moved here
|
||||
LL | }
|
||||
LL | match a {
|
||||
| ^ value used here after partial move
|
||||
|
|
||||
= note: move occurs because `a[..]` has type `(std::string::String, std::string::String)`, which does not implement the `Copy` trait
|
||||
|
||||
error[E0382]: use of moved value: `a`
|
||||
--> $DIR/borrowck-move-out-from-array-use-no-overlap-match.rs:54:11
|
||||
|
|
||||
LL | [.., _x] => {}
|
||||
| -- value moved here
|
||||
LL | }
|
||||
LL | match a {
|
||||
| ^ value used here after partial move
|
||||
|
|
||||
= note: move occurs because `a[..]` has type `(std::string::String, std::string::String)`, which does not implement the `Copy` trait
|
||||
|
||||
error[E0382]: use of moved value: `a`
|
||||
--> $DIR/borrowck-move-out-from-array-use-no-overlap-match.rs:65:11
|
||||
|
|
||||
LL | [(_x, _), _, _] => {}
|
||||
| -- value moved here
|
||||
LL | }
|
||||
LL | match a {
|
||||
| ^ value used here after partial move
|
||||
|
|
||||
= note: move occurs because `a[..].0` has type `std::string::String`, which does not implement the `Copy` trait
|
||||
|
||||
error[E0382]: use of moved value: `a`
|
||||
--> $DIR/borrowck-move-out-from-array-use-no-overlap-match.rs:76:11
|
||||
|
|
||||
LL | [.., (_x, _)] => {}
|
||||
| -- value moved here
|
||||
LL | }
|
||||
LL | match a {
|
||||
| ^ value used here after partial move
|
||||
|
|
||||
= note: move occurs because `a[..].0` has type `std::string::String`, which does not implement the `Copy` trait
|
||||
|
||||
error[E0382]: use of moved value: `a`
|
||||
--> $DIR/borrowck-move-out-from-array-use-no-overlap-match.rs:87:11
|
||||
|
|
||||
LL | [_, _y @ ..] => {}
|
||||
| ------- value moved here
|
||||
LL | }
|
||||
LL | match a {
|
||||
| ^ value used here after partial move
|
||||
|
|
||||
= note: move occurs because `a[..]` has type `(std::string::String, std::string::String)`, which does not implement the `Copy` trait
|
||||
|
||||
error[E0382]: use of moved value: `a`
|
||||
--> $DIR/borrowck-move-out-from-array-use-no-overlap-match.rs:98:11
|
||||
|
|
||||
LL | [_y @ .., _] => {}
|
||||
| ------- value moved here
|
||||
LL | }
|
||||
LL | match a {
|
||||
| ^ value used here after partial move
|
||||
|
|
||||
= note: move occurs because `a[..]` has type `(std::string::String, std::string::String)`, which does not implement the `Copy` trait
|
||||
|
||||
error[E0382]: use of moved value: `a`
|
||||
--> $DIR/borrowck-move-out-from-array-use-no-overlap-match.rs:111:11
|
||||
|
|
||||
LL | [x @ .., _, _] => {}
|
||||
| ------ value moved here
|
||||
LL | }
|
||||
LL | match a {
|
||||
| ^ value used here after partial move
|
||||
|
|
||||
= note: move occurs because `a[..]` has type `(std::string::String, std::string::String)`, which does not implement the `Copy` trait
|
||||
|
||||
error: aborting due to 9 previous errors
|
||||
|
||||
For more information about this error, try `rustc --explain E0382`.
|
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Reference in New Issue