rust/tests/ui/imports/extern-crate-self/extern-crate-self-macro-ali...

17 lines
312 B
Rust

//@ run-pass
// Test that a macro can correctly expand the alias
// in an `extern crate self as ALIAS` item.
fn the_answer() -> usize { 42 }
macro_rules! alias_self {
($alias:ident) => { extern crate self as $alias; }
}
alias_self!(the_alias);
fn main() {
assert_eq!(the_alias::the_answer(), 42);
}