------------------------------------------------------------------------
-- The Agda standard library
--
-- Argument relevance used in the reflection machinery
------------------------------------------------------------------------

{-# OPTIONS --without-K --safe #-}

module Reflection.AST.Argument.Relevance where

open import Relation.Nullary.Decidable.Core using (yes; no)
open import Relation.Binary.Definitions using (DecidableEquality)
open import Relation.Binary.PropositionalEquality.Core using (refl)

------------------------------------------------------------------------
-- Re-exporting the builtins publicly

open import Agda.Builtin.Reflection public using (Relevance)
open Relevance public

------------------------------------------------------------------------
-- Decidable equality

infix  _≡?_

_≡?_ : DecidableEquality Relevance
relevant   ≡? relevant   = yes refl
irrelevant ≡? irrelevant = yes refl
relevant   ≡? irrelevant = no λ()
irrelevant ≡? relevant   = no λ()


------------------------------------------------------------------------
-- DEPRECATED NAMES
------------------------------------------------------------------------
-- Please use the new names as continuing support for the old names is
-- not guaranteed.

-- Version 2.4

infix  _≟_

_≟_ = _≡?_
{-# WARNING_ON_USAGE _≟_
"Warning: _≟_ was deprecated in v2.4.
Please use _≡?_ instead."
#-}