vinyl-0.1.0.0: Data/Vinyl/Unicode.hs
{-# LANGUAGE UnicodeSyntax #-}
{-# LANGUAGE TypeOperators #-}
{-# LANGUAGE ConstraintKinds #-}
{-# LANGUAGE NoMonomorphismRestriction #-}
module Data.Vinyl.Unicode where
import Data.Vinyl.Rec
import Data.Vinyl.Relation
import Data.Vinyl.Witnesses
type x ∈ xs = IElem x xs
type xs ⊆ ys = ISubset xs ys
type r1 ≅ r2 = r1 :~: r2
(≅) = (~=)