rust/tests/ui/associated-types/substs-ppaux.rs

59 lines
2.0 KiB
Rust

//
//@ revisions: verbose normal
//
//@[verbose] compile-flags: -Z verbose-internals
trait Foo<'b, 'c, S = u32> {
fn bar<'a, T>()
where
T: 'a,
{
}
fn baz() {}
}
impl<'a, 'b, T, S> Foo<'a, 'b, S> for T {}
fn main() {}
fn foo<'z>()
where
&'z (): Sized,
{
let x: () = <i8 as Foo<'static, 'static, u8>>::bar::<'static, char>;
//[verbose]~^ ERROR mismatched types
//[verbose]~| expected unit type `()`
//[verbose]~| found fn item `fn() {<i8 as Foo<'static, 'static, u8>>::bar::<'static, char>}`
//[normal]~^^^^ ERROR mismatched types
//[normal]~| expected unit type `()`
//[normal]~| found fn item `fn() {<i8 as Foo<'static, 'static, u8>>::bar::<'static, char>}`
let x: () = <i8 as Foo<'static, 'static, u32>>::bar::<'static, char>;
//[verbose]~^ ERROR mismatched types
//[verbose]~| expected unit type `()`
//[verbose]~| found fn item `fn() {<i8 as Foo<'static, 'static>>::bar::<'static, char>}`
//[normal]~^^^^ ERROR mismatched types
//[normal]~| expected unit type `()`
//[normal]~| found fn item `fn() {<i8 as Foo<'static, 'static>>::bar::<'static, char>}`
let x: () = <i8 as Foo<'static, 'static, u8>>::baz;
//[verbose]~^ ERROR mismatched types
//[verbose]~| expected unit type `()`
//[verbose]~| found fn item `fn() {<i8 as Foo<'static, 'static, u8>>::baz}`
//[normal]~^^^^ ERROR mismatched types
//[normal]~| expected unit type `()`
//[normal]~| found fn item `fn() {<i8 as Foo<'static, 'static, u8>>::baz}`
let x: () = foo::<'static>;
//[verbose]~^ ERROR mismatched types
//[verbose]~| expected unit type `()`
//[verbose]~| found fn item `fn() {foo::<'static>}`
//[normal]~^^^^ ERROR mismatched types
//[normal]~| expected unit type `()`
//[normal]~| found fn item `fn() {foo::<'static>}`
<str as Foo<u8>>::bar;
//[verbose]~^ ERROR the trait bound `str: Foo<'?0, '?1, u8>` is not satisfied
//[normal]~^^ ERROR the trait bound `str: Foo<'_, '_, u8>` is not satisfied
}