rust/tests/ui/empty-type-parameter-list.rs

25 lines
448 B
Rust

//@ run-pass
// Test that empty type parameter list (<>) is synonymous with
// no type parameters at all
struct S<>;
trait T<> {} //~ WARN trait `T` is never used
enum E<> { V }
impl<> T<> for S<> {}
impl T for E {}
fn foo<>() {}
fn bar() {}
fn main() {
let _ = S;
let _ = S::<>;
let _ = E::V;
let _ = E::<>::V;
foo();
foo::<>();
// Test that we can supply <> to non generic things
bar::<>();
let _: i32<>;
}