/*! 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 } }