Copyright | (c) Henry J. Wylde, 2016 |
---|---|
License | BSD3 |
Maintainer | public@hjwylde.com |
Safe Haskell | None |
Language | Haskell2010 |
Extra utility functions for working with lenses.
Folds
Traversals
filteredBy :: Eq b => Lens' a b -> b -> Traversal' a a Source
A companion to filtered
that, rather than using a predicate, filters on the given lens for
matches.