File: expr_2021.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 (14 lines) | stat: -rw-r--r-- 235 bytes parent folder | download | duplicates (3) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
 
//@ check-pass
//@ edition: 2015

// Ensures expr_2021 fragment specifier is accepted in old editions

macro_rules! my_macro {
    ($x:expr_2021) => {
        println!("Hello, {}!", $x);
    };
}

fn main() {
    my_macro!("world");
}