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Add tests for `#[no_mangle]` in `impl` blocks that looks like generic `impl` blocks...
[rust.git] / src / test / ui / wf / wf-in-fn-ret.stderr
1 error[E0277]: the trait bound `T: Copy` is not satisfied
2   --> $DIR/wf-in-fn-ret.rs:10:16
3    |
4 LL | struct MustBeCopy<T:Copy> {
5    |                     ---- required by this bound in `MustBeCopy`
6 ...
7 LL | fn bar<T>() -> MustBeCopy<T>
8    |                ^^^^^^^^^^^^^ the trait `Copy` is not implemented for `T`
9    |
10 help: consider restricting type parameter `T`
11    |
12 LL | fn bar<T: std::marker::Copy>() -> MustBeCopy<T>
13    |         +++++++++++++++++++
14
15 error: aborting due to previous error
16
17 For more information about this error, try `rustc --explain E0277`.