rust/src/test/run-pass/int-conversion-coherence.rs

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// xfail-test
//
// Problem here is that transactions aren't implemented for integer literal
// inference.
trait plus {
fn plus() -> int;
}
impl foo of plus for uint { fn plus() -> int { self as int + 20 } }
impl foo of plus for int { fn plus() -> int { self + 10 } }
fn main() {
assert 10.plus() == 20;
}