⚠️ Archived site. This is the pre-3.0 Agda Universal Algebra Library, preserved for reference. Its current home is agda-algebras.universalalgebra.org (as of July 2026).

{-# OPTIONS --cubical-compatible --safe --no-sized-types --no-guardedness --level-universe #-} module Agda.Builtin.Maybe where data Maybe {a } (A : Set a ) : Set a where just : A → Maybe A nothing : Maybe A {-# BUILTIN MAYBE Maybe #-}