rust/src/test/compile-fail/unused-imports-warn.rs

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// error-pattern:unused import
// compile-flags:-W unused-imports
import cal = bar::c::cc;
mod foo {
type point = {x: int, y: int};
type square = {p: point, h: uint, w: uint};
}
mod bar {
mod c {
import foo::point;
import foo::square;
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fn cc(p: point) -> str { return 2 * (p.x + p.y); }
}
}
fn main() {
cal({x:3, y:9});
}