compiler/rustc_error_codes/src/error_codes/E0224.md - rust - Git at Google

 A trait object was declared with no traits.

 Erroneous code example:

 ```compile_fail,E0224
 type Foo = dyn 'static +;
 ```

 Rust does not currently support this.

 To solve, ensure that the trait object has at least one trait:

 ```
 type Foo = dyn 'static + Copy;
 ```
	A trait object was declared with no traits.

	Erroneous code example:

	```compile_fail,E0224
	type Foo = dyn 'static +;
	```

	Rust does not currently support this.

	To solve, ensure that the trait object has at least one trait:

	```
	type Foo = dyn 'static + Copy;
	```