File: empty-type-parameter-list.rs

package info (click to toggle)
rustc 1.86.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, forky, sid
  • size: 913,560 kB
  • sloc: xml: 158,127; python: 35,921; javascript: 19,689; sh: 19,600; cpp: 18,906; ansic: 13,124; asm: 4,376; makefile: 708; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (24 lines) | stat: -rw-r--r-- 448 bytes parent folder | download | duplicates (11) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
//@ 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<>;
}