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Diffstat (limited to 'src/test/ui/impl-trait/equality2.stderr')
| -rw-r--r-- | src/test/ui/impl-trait/equality2.stderr | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/test/ui/impl-trait/equality2.stderr b/src/test/ui/impl-trait/equality2.stderr new file mode 100644 index 000000000..46053c6e7 --- /dev/null +++ b/src/test/ui/impl-trait/equality2.stderr @@ -0,0 +1,75 @@ +warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/equality2.rs:1:12 + | +LL | #![feature(specialization)] + | ^^^^^^^^^^^^^^ + | + = note: `#[warn(incomplete_features)]` on by default + = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information + = help: consider using `min_specialization` instead, which is more stable and complete + +error[E0308]: mismatched types + --> $DIR/equality2.rs:25:18 + | +LL | fn hide<T: Foo>(x: T) -> impl Foo { + | -------- the found opaque type +... +LL | let _: u32 = hide(0_u32); + | --- ^^^^^^^^^^^ expected `u32`, found opaque type + | | + | expected due to this + | + = note: expected type `u32` + found opaque type `impl Foo` + +error[E0308]: mismatched types + --> $DIR/equality2.rs:31:18 + | +LL | fn hide<T: Foo>(x: T) -> impl Foo { + | -------- the found opaque type +... +LL | let _: i32 = Leak::leak(hide(0_i32)); + | --- ^^^^^^^^^^^^^^^^^^^^^^^ expected `i32`, found associated type + | | + | expected due to this + | + = note: expected type `i32` + found associated type `<impl Foo as Leak>::T` +help: consider constraining the associated type `<impl Foo as Leak>::T` to `i32` + | +LL | fn hide<T: Foo>(x: T) -> impl Foo<T = i32> { + | +++++++++ + +error[E0308]: mismatched types + --> $DIR/equality2.rs:38:10 + | +LL | fn hide<T: Foo>(x: T) -> impl Foo { + | -------- + | | + | the expected opaque type + | the found opaque type +... +LL | x = (x.1, + | ^^^ expected `u32`, found `i32` + | + = note: expected opaque type `impl Foo` (`u32`) + found opaque type `impl Foo` (`i32`) + +error[E0308]: mismatched types + --> $DIR/equality2.rs:41:10 + | +LL | fn hide<T: Foo>(x: T) -> impl Foo { + | -------- + | | + | the expected opaque type + | the found opaque type +... +LL | x.0); + | ^^^ expected `i32`, found `u32` + | + = note: expected opaque type `impl Foo` (`i32`) + found opaque type `impl Foo` (`u32`) + +error: aborting due to 4 previous errors; 1 warning emitted + +For more information about this error, try `rustc --explain E0308`. |