rust/tests/ui/fallible_impl_from.stderr

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error: consider implementing `TryFrom` instead
--> $DIR/fallible_impl_from.rs:7:1
|
7 | / impl From<String> for Foo {
8 | | fn from(s: String) -> Self {
9 | | Foo(s.parse().unwrap())
10 | | }
11 | | }
| |_^
|
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note: lint level defined here
--> $DIR/fallible_impl_from.rs:3:9
|
3 | #![deny(clippy::fallible_impl_from)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
= help: `From` is intended for infallible conversions only. Use `TryFrom` if there's a possibility for the conversion to fail.
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note: potential failure(s)
--> $DIR/fallible_impl_from.rs:9:13
|
9 | Foo(s.parse().unwrap())
| ^^^^^^^^^^^^^^^^^^
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error: consider implementing `TryFrom` instead
--> $DIR/fallible_impl_from.rs:30:1
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|
30 | / impl From<usize> for Invalid {
31 | | fn from(i: usize) -> Invalid {
32 | | if i != 42 {
33 | | panic!();
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... |
36 | | }
37 | | }
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| |_^
|
= help: `From` is intended for infallible conversions only. Use `TryFrom` if there's a possibility for the conversion to fail.
note: potential failure(s)
--> $DIR/fallible_impl_from.rs:33:13
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|
33 | panic!();
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| ^^^^^^^^^
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= note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
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error: consider implementing `TryFrom` instead
--> $DIR/fallible_impl_from.rs:39:1
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|
39 | / impl From<Option<String>> for Invalid {
40 | | fn from(s: Option<String>) -> Invalid {
41 | | let s = s.unwrap();
42 | | if !s.is_empty() {
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... |
48 | | }
49 | | }
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| |_^
|
= help: `From` is intended for infallible conversions only. Use `TryFrom` if there's a possibility for the conversion to fail.
note: potential failure(s)
--> $DIR/fallible_impl_from.rs:41:17
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|
41 | let s = s.unwrap();
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| ^^^^^^^^^^
42 | if !s.is_empty() {
43 | panic!(42);
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| ^^^^^^^^^^^
44 | } else if s.parse::<u32>().unwrap() != 42 {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^
45 | panic!("{:?}", s);
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| ^^^^^^^^^^^^^^^^^^
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= note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
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error: consider implementing `TryFrom` instead
--> $DIR/fallible_impl_from.rs:57:1
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|
57 | / impl<'a> From<&'a mut <Box<u32> as ProjStrTrait>::ProjString> for Invalid {
58 | | fn from(s: &'a mut <Box<u32> as ProjStrTrait>::ProjString) -> Invalid {
59 | | if s.parse::<u32>().ok().unwrap() != 42 {
60 | | panic!("{:?}", s);
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... |
63 | | }
64 | | }
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| |_^
|
= help: `From` is intended for infallible conversions only. Use `TryFrom` if there's a possibility for the conversion to fail.
note: potential failure(s)
--> $DIR/fallible_impl_from.rs:59:12
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|
59 | if s.parse::<u32>().ok().unwrap() != 42 {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
60 | panic!("{:?}", s);
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| ^^^^^^^^^^^^^^^^^^
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= note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
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error: aborting due to 4 previous errors