Select.hs

{-# LANGUAGE AllowAmbiguousTypes #-}

-- This Source Code Form is subject to the terms of the Mozilla Public
-- License, v. 2.0. If a copy of the MPL was not distributed with this
-- file, You can obtain one at https://mozilla.org/MPL/2.0/.

module Data.Effect.Select where

data Select r a where
    Select :: ((a -> r) -> a) -> Select r a

makeEffectF [''Select]