✅ haskell: pangram

haskell/pangram/examples/success-text/src/Pangram.hs

@@ -0,0 +1,8 @@
+module Pangram (isPangram) where
+
+import           Data.Text (Text)
+import qualified Data.Text as T
+
+isPangram :: Text -> Bool
+isPangram s = all (`member` T.toLower s) ['a'..'z']
+  where member = T.any . (==)