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Diffstat (limited to 'src/test/ui/error-codes/E0746.stderr')
| -rw-r--r-- | src/test/ui/error-codes/E0746.stderr | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/test/ui/error-codes/E0746.stderr b/src/test/ui/error-codes/E0746.stderr new file mode 100644 index 000000000..2153b59ad --- /dev/null +++ b/src/test/ui/error-codes/E0746.stderr @@ -0,0 +1,27 @@ +error[E0746]: return type cannot have an unboxed trait object + --> $DIR/E0746.rs:8:13 + | +LL | fn foo() -> dyn Trait { Struct } + | ^^^^^^^^^ doesn't have a size known at compile-time + | + = note: for information on `impl Trait`, see <https://doc.rust-lang.org/book/ch10-02-traits.html#returning-types-that-implement-traits> +help: use `impl Trait` as the return type, as all return paths are of type `Struct`, which implements `Trait` + | +LL | fn foo() -> impl Trait { Struct } + | ~~~~~~~~~~ + +error[E0746]: return type cannot have an unboxed trait object + --> $DIR/E0746.rs:11:13 + | +LL | fn bar() -> dyn Trait { + | ^^^^^^^^^ doesn't have a size known at compile-time + | + = note: for information on `impl Trait`, see <https://doc.rust-lang.org/book/ch10-02-traits.html#returning-types-that-implement-traits> +help: use `impl Trait` as the return type, as all return paths are of type `{integer}`, which implements `Trait` + | +LL | fn bar() -> impl Trait { + | ~~~~~~~~~~ + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0746`. |