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[rustc.git] / tests / ui / proc-macro / is-available.rs
1 // run-pass
2
3 extern crate proc_macro;
4
5 // aux-build:is-available.rs
6 extern crate is_available;
7
8 fn main() {
9 let a = proc_macro::is_available();
10 let b = is_available::from_inside_proc_macro!();
11 let c = proc_macro::is_available();
12 assert!(!a);
13 assert!(b);
14 assert!(!c);
15 }