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