File: make-macro.rs

package info (click to toggle)
rustc 1.89.0%2Bdfsg1-1~bpo13%2B2
  • links: PTS, VCS
  • area: main
  • in suites: trixie-backports
  • size: 906,632 kB
  • sloc: xml: 158,148; python: 34,888; javascript: 19,595; sh: 19,221; ansic: 13,046; cpp: 7,144; asm: 4,376; makefile: 692; lisp: 174; sql: 15
file content (18 lines) | stat: -rw-r--r-- 498 bytes parent folder | download | duplicates (15) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
//@ force-host

#[macro_export]
macro_rules! make_it {
    ($name:ident) => {
        #[proc_macro]
        pub fn $name(input: TokenStream) -> TokenStream {
            println!("Def site: {:?}", Span::def_site());
            println!("Input: {:?}", input);
            let new: TokenStream = input.into_iter().map(|mut t| {
                t.set_span(Span::def_site());
                t
            }).collect();
            println!("Respanned: {:?}", new);
            new
        }
    };
}