File: issue-93874.rs

package info (click to toggle)
rustc 1.88.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 934,128 kB
  • sloc: xml: 158,127; python: 36,062; javascript: 19,855; sh: 19,700; cpp: 18,947; ansic: 12,993; asm: 4,792; makefile: 690; lisp: 29; perl: 29; ruby: 19; sql: 11
file content (33 lines) | stat: -rw-r--r-- 499 bytes parent folder | download | duplicates (15) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
 
//@ check-pass

pub trait Build {
    type Output<O>;
    fn build<O>(self, input: O) -> Self::Output<O>;
}

pub struct IdentityBuild;
impl Build for IdentityBuild {
    type Output<O> = O;
    fn build<O>(self, input: O) -> Self::Output<O> {
        input
    }
}

fn a() {
    let _x: u8 = IdentityBuild.build(10);
}

fn b() {
    let _x: Vec<u8> = IdentityBuild.build(Vec::new());
}

fn c() {
    let mut f = IdentityBuild.build(|| ());
    (f)();
}

pub fn main() {
    a();
    b();
    c();
}