File: iter-count-overflow-debug.rs

package info (click to toggle)
rustc 1.85.0%2Bdfsg3-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, sid, trixie
  • size: 893,396 kB
  • sloc: xml: 158,127; python: 35,830; javascript: 19,497; cpp: 19,002; sh: 17,245; ansic: 13,127; asm: 4,376; makefile: 1,051; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (15 lines) | stat: -rw-r--r-- 342 bytes parent folder | download | duplicates (5) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
 
//@ run-pass
//@ only-32bit too impatient for 2⁶⁴ items
//@ needs-unwind
//@ compile-flags: -C debug_assertions=yes -C opt-level=3

use std::panic;

fn main() {
    assert_eq!((0..usize::MAX).by_ref().count(), usize::MAX);

    let r = panic::catch_unwind(|| {
        (0..=usize::MAX).by_ref().count()
    });
    assert!(r.is_err());
}