[rustc.git] / src / librustc_error_codes / error_codes / E0200.md

An unsafe trait was implemented without an unsafe implementation.

Erroneous code example:

```compile_fail,E0200
struct Foo;

unsafe trait Bar { }

impl Bar for Foo { } // error!
```

Unsafe traits must have unsafe implementations. This error occurs when an
implementation for an unsafe trait isn't marked as unsafe. This may be resolved
by marking the unsafe implementation as unsafe.

```
struct Foo;

unsafe trait Bar { }

unsafe impl Bar for Foo { } // ok!
```
Commit	Line	Data
dfeec247 XL	1	An unsafe trait was implemented without an unsafe implementation.
	2
	3	Erroneous code example:
	4
	5	```compile_fail,E0200
	6	struct Foo;
	7
	8	unsafe trait Bar { }
	9
	10	impl Bar for Foo { } // error!
	11	```
	12
60c5eb7d XL	13	Unsafe traits must have unsafe implementations. This error occurs when an
	14	implementation for an unsafe trait isn't marked as unsafe. This may be resolved
	15	by marking the unsafe implementation as unsafe.
	16
dfeec247	17	```
60c5eb7d XL	18	struct Foo;
	19
	20	unsafe trait Bar { }
	21
dfeec247	22	unsafe impl Bar for Foo { } // ok!
60c5eb7d	23	```