Safe Haskell | None |
---|---|
Language | Haskell98 |
Documentation
fmap :: (Functor lens tb, b ~ GetParam lens tb, ta ~ SetParam lens a tb) => TypeLens Base lens -> (a -> b) -> ta -> tb Source
Safe Haskell | None |
---|---|
Language | Haskell98 |
fmap :: (Functor lens tb, b ~ GetParam lens tb, ta ~ SetParam lens a tb) => TypeLens Base lens -> (a -> b) -> ta -> tb Source