File: issue-868.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 (18 lines) | stat: -rw-r--r-- 420 bytes parent folder | download | duplicates (14) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
//@ run-pass
#![allow(unused_parens)]
#![allow(unit_bindings)]

fn f<T, F>(g: F) -> T where F: FnOnce() -> T { g() }

pub fn main() {
  let _x = f( | | { 10 });
    // used to be: cannot determine a type for this expression
    f(| | { });
    // ditto
    f( | | { ()});
    // always worked
    let _: () = f(| | { });
    // empty block with no type info should compile too
    let _ = f(||{});
    let _ = (||{});
}