File: wild-before-at-syntactically-rejected.rs

package info (click to toggle)
rustc 1.70.0%2Bdfsg1-9
  • links: PTS, VCS
  • area: main
  • in suites: forky, trixie
  • size: 722,120 kB
  • sloc: xml: 147,962; javascript: 10,210; sh: 8,590; python: 8,220; ansic: 5,901; cpp: 4,635; makefile: 4,001; asm: 2,856
file content (16 lines) | stat: -rw-r--r-- 467 bytes parent folder | download | duplicates (17)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
// Here we check that `_ @ sub` is syntactically invalid
// and comes with a nice actionable suggestion.

fn main() {}

#[cfg(FALSE)]
fn wild_before_at_is_bad_syntax() {
    let _ @ a = 0;
    //~^ ERROR pattern on wrong side of `@`
    let _ @ ref a = 0;
    //~^ ERROR pattern on wrong side of `@`
    let _ @ ref mut a = 0;
    //~^ ERROR pattern on wrong side of `@`
    let _ @ (a, .., b) = (0, 1, 2, 3);
    //~^ ERROR left-hand side of `@` must be a binding
}