Make for more generic (#15)

scrive · Nov 5, 2024 · 9944420 · 9944420
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diff --git a/scrive-prelude.cabal b/scrive-prelude.cabal
@@ -1,6 +1,6 @@
 cabal-version: 3.0
 name:          scrive-prelude
-version:       1.0.3.0
+version:       1.0.3.1
 author:        Scrive AB
 maintainer:    Scrive AB
 copyright:     2021

diff --git a/src/Prelude.hs b/src/Prelude.hs
@@ -202,9 +202,9 @@ copy x fromThis toThat = set x (view x fromThis) toThat
 
 ----------------------------------------
 
--- | Just @flip map@.
-for :: [a] -> (a -> b) -> [b]
-for = flip map
+-- | Just @flip fmap@.
+for :: Functor f => f a -> (a -> b) -> f b
+for = flip fmap
 
 -- | Read a value and return 'Nothing' if an error occurs during parsing.
 maybeRead :: Read a => Text -> Maybe a