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| author | Esteban Küber <esteban@kuber.com.ar> | 2020-08-18 16:44:45 -0700 |
|---|---|---|
| committer | Esteban Küber <esteban@kuber.com.ar> | 2020-09-11 17:05:18 -0700 |
| commit | 5d2a935e6cf25e0bc86354962929ee02513549b7 (patch) | |
| tree | 5aa142ae8d0ede521ca5275de1f0538f7edb3b3b /src/test/ui/impl-trait | |
| parent | ff297fafbfb9af47bc75bc7eac9ff76d83fdd49c (diff) | |
Make suggestion more complete
Diffstat (limited to 'src/test/ui/impl-trait')
| -rw-r--r-- | src/test/ui/impl-trait/equality.stderr | 2 | ||||
| -rw-r--r-- | src/test/ui/impl-trait/object-unsafe-trait-in-return-position-impl-trait.stderr | 10 |
2 files changed, 9 insertions, 3 deletions
diff --git a/src/test/ui/impl-trait/equality.stderr b/src/test/ui/impl-trait/equality.stderr index 9667a9785dc..cdaa61ac323 100644 --- a/src/test/ui/impl-trait/equality.stderr +++ b/src/test/ui/impl-trait/equality.stderr @@ -23,7 +23,7 @@ LL | 0_u32 = note: for information on `impl Trait`, see <https://doc.rust-lang.org/book/ch10-02-traits.html#returning-types-that-implement-traits> = help: if the trait `Foo` were object safe, you could return a boxed trait object = note: for information on trait objects, see <https://doc.rust-lang.org/book/ch17-02-trait-objects.html#using-trait-objects-that-allow-for-values-of-different-types> - = help: alternatively, create a new `enum` with a variant for each returned type + = help: you could instead create a new `enum` with a variant for each returned type error[E0277]: cannot add `impl Foo` to `u32` --> $DIR/equality.rs:24:11 diff --git a/src/test/ui/impl-trait/object-unsafe-trait-in-return-position-impl-trait.stderr b/src/test/ui/impl-trait/object-unsafe-trait-in-return-position-impl-trait.stderr index 9abebeff95a..66043267f91 100644 --- a/src/test/ui/impl-trait/object-unsafe-trait-in-return-position-impl-trait.stderr +++ b/src/test/ui/impl-trait/object-unsafe-trait-in-return-position-impl-trait.stderr @@ -14,7 +14,7 @@ LL | B = note: for information on `impl Trait`, see <https://doc.rust-lang.org/book/ch10-02-traits.html#returning-types-that-implement-traits> = help: if the trait `NotObjectSafe` were object safe, you could return a boxed trait object = note: for information on trait objects, see <https://doc.rust-lang.org/book/ch17-02-trait-objects.html#using-trait-objects-that-allow-for-values-of-different-types> - = help: alternatively, create a new `enum` with a variant for each returned type + = help: you could instead create a new `enum` with a variant for each returned type error[E0308]: mismatched types --> $DIR/object-unsafe-trait-in-return-position-impl-trait.rs:43:5 @@ -31,11 +31,17 @@ LL | B = note: to return `impl Trait`, all returned values must be of the same type = note: for information on `impl Trait`, see <https://doc.rust-lang.org/book/ch10-02-traits.html#returning-types-that-implement-traits> = note: for information on trait objects, see <https://doc.rust-lang.org/book/ch17-02-trait-objects.html#using-trait-objects-that-allow-for-values-of-different-types> - = help: alternatively, create a new `enum` with a variant for each returned type + = help: you could instead create a new `enum` with a variant for each returned type help: you could change the return type to be a boxed trait object | LL | fn cat() -> Box<dyn ObjectSafe> { | ^^^^^^^ ^ +help: if you change the return type to expect trait objects, box the returned expressions + | +LL | return Box::new(A); +LL | } +LL | Box::new(B) + | error: aborting due to 2 previous errors |