rust/tests/ui/proc-macro/is-available.rs

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2020-04-21 19:28:11 +00:00
// run-pass
extern crate proc_macro;
// aux-build:is-available.rs
extern crate is_available;
fn main() {
let a = proc_macro::is_available();
let b = is_available::from_inside_proc_macro!();
let c = proc_macro::is_available();
assert!(!a);
assert!(b);
assert!(!c);
}