(>) , (<) , (>=) , (<=) hsclass Eq a => Ord a where
compare :: a -> a -> Ordering
(<), (<=), (>), (>=) :: a -> a -> Bool
max, min :: a -> a -> atsimport { Eq } from 'fp-ts/lib/Eq'
type Ordering = -1 | 0 | 1
interface Ord<A> extends Eq<A> {
readonly compare: (first: A, second: A) => Ordering
} first > second なら -1 first == second なら 0 first < second なら 1