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diff paper/src/AgdaInstance.agda @ 52:fb42478e4c96

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Writing agda description
author atton <atton@cr.ie.u-ryukyu.ac.jp>
date Tue, 31 Jan 2017 16:41:36 +0900
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/paper/src/AgdaInstance.agda	Tue Jan 31 16:41:36 2017 +0900
@@ -0,0 +1,9 @@
+_==Nat_ : Nat -> Nat -> Bool
+zero    ==Nat zero    = true
+(suc n) ==Nat zero    = false
+zero    ==Nat (suc m) = false
+(suc n) ==Nat (suc m) = n ==Nat m
+
+instance
+  natHas== : Eq Nat
+  natHas== = record { _==_ = _==Nat_}