File: callee_is_track_caller.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 (15 lines) | stat: -rw-r--r-- 304 bytes parent folder | download | duplicates (12) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
 
//@ check-pass
// FIXME(explicit_tail_calls): make this run-pass, once tail calls are properly implemented
#![expect(incomplete_features)]
#![feature(explicit_tail_calls)]

fn a(x: u32) -> u32 {
    become b(x);
}

#[track_caller]
fn b(x: u32) -> u32 { x + 42 }

fn main() {
    assert_eq!(a(12), 54);
}