diff options
Diffstat (limited to 'tests/ui/impl-trait/nested_impl_trait.stderr')
| -rw-r--r-- | tests/ui/impl-trait/nested_impl_trait.stderr | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/tests/ui/impl-trait/nested_impl_trait.stderr b/tests/ui/impl-trait/nested_impl_trait.stderr new file mode 100644 index 00000000000..9a8f5a34068 --- /dev/null +++ b/tests/ui/impl-trait/nested_impl_trait.stderr @@ -0,0 +1,64 @@ +error[E0666]: nested `impl Trait` is not allowed + --> $DIR/nested_impl_trait.rs:6:56 + | +LL | fn bad_in_ret_position(x: impl Into<u32>) -> impl Into<impl Debug> { x } + | ----------^^^^^^^^^^- + | | | + | | nested `impl Trait` here + | outer `impl Trait` + +error[E0666]: nested `impl Trait` is not allowed + --> $DIR/nested_impl_trait.rs:10:42 + | +LL | fn bad_in_fn_syntax(x: fn() -> impl Into<impl Debug>) {} + | ----------^^^^^^^^^^- + | | | + | | nested `impl Trait` here + | outer `impl Trait` + +error[E0666]: nested `impl Trait` is not allowed + --> $DIR/nested_impl_trait.rs:14:37 + | +LL | fn bad_in_arg_position(_: impl Into<impl Debug>) { } + | ----------^^^^^^^^^^- + | | | + | | nested `impl Trait` here + | outer `impl Trait` + +error[E0666]: nested `impl Trait` is not allowed + --> $DIR/nested_impl_trait.rs:19:44 + | +LL | fn bad(x: impl Into<u32>) -> impl Into<impl Debug> { x } + | ----------^^^^^^^^^^- + | | | + | | nested `impl Trait` here + | outer `impl Trait` + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `fn` pointer return + --> $DIR/nested_impl_trait.rs:10:32 + | +LL | fn bad_in_fn_syntax(x: fn() -> impl Into<impl Debug>) {} + | ^^^^^^^^^^^^^^^^^^^^^ + +error[E0277]: the trait bound `impl Debug: From<impl Into<u32>>` is not satisfied + --> $DIR/nested_impl_trait.rs:6:46 + | +LL | fn bad_in_ret_position(x: impl Into<u32>) -> impl Into<impl Debug> { x } + | ^^^^^^^^^^^^^^^^^^^^^ the trait `From<impl Into<u32>>` is not implemented for `impl Debug` + | + = help: the trait `Into<U>` is implemented for `T` + = note: required for `impl Into<u32>` to implement `Into<impl Debug>` + +error[E0277]: the trait bound `impl Debug: From<impl Into<u32>>` is not satisfied + --> $DIR/nested_impl_trait.rs:19:34 + | +LL | fn bad(x: impl Into<u32>) -> impl Into<impl Debug> { x } + | ^^^^^^^^^^^^^^^^^^^^^ the trait `From<impl Into<u32>>` is not implemented for `impl Debug` + | + = help: the trait `Into<U>` is implemented for `T` + = note: required for `impl Into<u32>` to implement `Into<impl Debug>` + +error: aborting due to 7 previous errors + +Some errors have detailed explanations: E0277, E0562, E0666. +For more information about an error, try `rustc --explain E0277`. |