File: macro-span-replacement.rs

package info (click to toggle)
rustc 1.70.0%2Bdfsg1-9
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, 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 (13 lines) | stat: -rw-r--r-- 170 bytes parent folder | download | duplicates (5) 
1
2
3
4
5
6
7
8
9
10
11
12
13
 
// check-pass

#![warn(unused)]

macro_rules! m {
    ($a:tt $b:tt) => {
        $b $a; //~ WARN struct `S` is never constructed
    }
}

fn main() {
    m!(S struct);
}