rust/src/libcore/unit.rs

/**
 * Functions for the unit type.
 */

use cmp::{Eq, Ord};

impl () : Eq {
    pure fn eq(&&_other: ()) -> bool { true }
    pure fn ne(&&_other: ()) -> bool { false }
}

impl () : Ord {
    pure fn lt(&&_other: ()) -> bool { false }
    pure fn le(&&_other: ()) -> bool { true }
    pure fn ge(&&_other: ()) -> bool { true }
    pure fn gt(&&_other: ()) -> bool { false }
}