diff --git a/src/test/ui/type-alias-impl-trait/static-const-types.rs b/src/test/ui/type-alias-impl-trait/static-const-types.rs new file mode 100644 index 0000000000000..f630d27833503 --- /dev/null +++ b/src/test/ui/type-alias-impl-trait/static-const-types.rs @@ -0,0 +1,16 @@ +#![feature(type_alias_impl_trait)] +#![allow(dead_code)] + +// FIXME: This should compile, but it currently doesn't + +use std::fmt::Debug; + +type Foo = impl Debug; +//~^ ERROR: could not find defining uses + +static FOO1: Foo = 22_u32; +//~^ ERROR: mismatched types [E0308] +const FOO2: Foo = 22_u32; +//~^ ERROR: mismatched types [E0308] + +fn main() {} diff --git a/src/test/ui/type-alias-impl-trait/static-const-types.stderr b/src/test/ui/type-alias-impl-trait/static-const-types.stderr new file mode 100644 index 0000000000000..72083d014fe3a --- /dev/null +++ b/src/test/ui/type-alias-impl-trait/static-const-types.stderr @@ -0,0 +1,33 @@ +error[E0308]: mismatched types + --> $DIR/static-const-types.rs:11:20 + | +LL | type Foo = impl Debug; + | ---------- the expected opaque type +... +LL | static FOO1: Foo = 22_u32; + | ^^^^^^ expected opaque type, found `u32` + | + = note: expected opaque type `impl Debug` + found type `u32` + +error[E0308]: mismatched types + --> $DIR/static-const-types.rs:13:19 + | +LL | type Foo = impl Debug; + | ---------- the expected opaque type +... +LL | const FOO2: Foo = 22_u32; + | ^^^^^^ expected opaque type, found `u32` + | + = note: expected opaque type `impl Debug` + found type `u32` + +error: could not find defining uses + --> $DIR/static-const-types.rs:8:12 + | +LL | type Foo = impl Debug; + | ^^^^^^^^^^ + +error: aborting due to 3 previous errors + +For more information about this error, try `rustc --explain E0308`.