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Add long error explanation for E0739

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This commit is contained in:
Ayush Kumar Mishra 2020-03-10 08:33:14 +05:30
parent 3dbade652e
commit 6f2c01bcfb
3 changed files with 15 additions and 1 deletions
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2
src/librustc_error_codes/error_codes.rs
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@ -411,6 +411,7 @@ E0735: include_str!("./error_codes/E0735.md"),
E0736: include_str!("./error_codes/E0736.md"), E0736: include_str!("./error_codes/E0736.md"),
E0737: include_str!("./error_codes/E0737.md"), E0737: include_str!("./error_codes/E0737.md"),
E0738: include_str!("./error_codes/E0738.md"), E0738: include_str!("./error_codes/E0738.md"),
E0739: include_str!("./error_codes/E0739.md"),
E0740: include_str!("./error_codes/E0740.md"), E0740: include_str!("./error_codes/E0740.md"),
E0741: include_str!("./error_codes/E0741.md"), E0741: include_str!("./error_codes/E0741.md"),
E0742: include_str!("./error_codes/E0742.md"), E0742: include_str!("./error_codes/E0742.md"),
@ -610,5 +611,4 @@ E0748: include_str!("./error_codes/E0748.md"),
E0722, // Malformed `#[optimize]` attribute E0722, // Malformed `#[optimize]` attribute
E0724, // `#[ffi_returns_twice]` is only allowed in foreign functions E0724, // `#[ffi_returns_twice]` is only allowed in foreign functions
E0726, // non-explicit (not `'_`) elided lifetime in unsupported position E0726, // non-explicit (not `'_`) elided lifetime in unsupported position
E0739, // invalid track_caller application/syntax
} }

13
src/librustc_error_codes/error_codes/E0739.md Normal file
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@ -0,0 +1,13 @@
`#[track_caller]` can not be applied on struct.
Erroneous code example:
```compile_fail,E0739
#![feature(track_caller)]
#[track_caller]
struct Bar {
a: u8,
}
```
[RFC 2091]: https://github.com/rust-lang/rfcs/blob/master/text/2091-inline-semantic.md

1
src/test/ui/rfc-2091-track-caller/only-for-fns.stderr
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@ -8,3 +8,4 @@ LL | struct S;
error: aborting due to previous error error: aborting due to previous error
For more information about this error, try `rustc --explain E0739`.