-- Copyright 2020 INP Toulouse.
-- Authors : Mathieu Montin.

-- This version of Currying is provided to you free of charge. It is released under the FSF GPL license, http://www.fsf.org/licenses/gpl.html. 
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open import Data.Nat

module Currying where

+3₀ :    -- A simple application of _+_
+3₀ x = x + 3

+3₁ :    -- Parameters after the whole name
+3₁ x = _+_ x 3

+3₂ :    -- Same with currying
+3₂ x = (_+_ x) 3

+3₃ :    -- A lambda function
+3₃ = λ x  x + 3 

+3₄ :    -- Short syntax for the lambda function
+3₄ = \x  x + 3

+3₅ :    -- Instantiation of the second parameter
+3₅ = _+ 3