StackSet uses PatternGuards

2025-07-26 09:41:53 -07:00 · 2007-09-28 18:25:10 +00:00
parent 5ef7c5f5d0
commit 306b3c11c3
1 changed files with 2 additions and 0 deletions
--- a/StackSet.hs
+++ b/StackSet.hs
@@ -1,3 +1,5 @@
+{-# LANGUAGE PatternGuards #-}
+
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  StackSet