export isSingleton funciton as suggeted in #5

msakai · Oct 12, 2019 · 2d742c6 · 2d742c6
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diff --git a/src/Data/IntegerInterval.hs b/src/Data/IntegerInterval.hs
@@ -38,6 +38,7 @@ module Data.IntegerInterval
 
   -- * Query
   , null
+  , isSingleton
   , member
   , notMember
   , isSubsetOf

diff --git a/src/Data/Interval.hs b/src/Data/Interval.hs
@@ -44,6 +44,7 @@ module Data.Interval
 
   -- * Query
   , null
+  , isSingleton
   , member
   , notMember
   , isSubsetOf