File: make-macro.rs

package info (click to toggle)
rustc-web 1.70.0%2Bdfsg1-7~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,517,036 kB
  • sloc: xml: 147,962; javascript: 10,210; sh: 8,590; python: 8,220; ansic: 5,901; cpp: 4,635; makefile: 4,006; asm: 2,856
file content (18 lines) | stat: -rw-r--r-- 497 bytes parent folder | download | duplicates (9) 
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
        }
    };
}