diff options
| -rw-r--r-- | src/librustc_error_codes/error_codes/E0197.md | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/src/librustc_error_codes/error_codes/E0197.md b/src/librustc_error_codes/error_codes/E0197.md index 0d91157e572..c142b8f3664 100644 --- a/src/librustc_error_codes/error_codes/E0197.md +++ b/src/librustc_error_codes/error_codes/E0197.md @@ -1,13 +1,20 @@ +An inherent implementation was marked unsafe. + +Erroneous code example: + +```compile_fail,E0197 +struct Foo; + +unsafe impl Foo { } // error! +``` + Inherent implementations (one that do not implement a trait but provide methods associated with a type) are always safe because they are not implementing an unsafe trait. Removing the `unsafe` keyword from the inherent implementation will resolve this error. -```compile_fail,E0197 +``` struct Foo; -// this will cause this error -unsafe impl Foo { } -// converting it to this will fix it -impl Foo { } +impl Foo { } // ok! ``` |