Mercurial > hg > Papers > 2018 > ryokka-sigos

diff Paper/src/AgdaInstance.agda @ 1:bf2887cd22c1

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
fix Paper
author ryokka
date Fri, 13 Apr 2018 19:47:50 +0900
parents
children
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Paper/src/AgdaInstance.agda	Fri Apr 13 19:47:50 2018 +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_}