Safe Haskell | Safe-Inferred |
---|---|
Language | Haskell2010 |
Synopsis
- class Traversable f => Buildable f where
Documentation
class Traversable f => Buildable f where Source #
Class of traversable functors which may be constructed from list
build :: [a] -> Maybe (f a) Source #
If method return Nothing this means we can not build
traversable from given list. In this case inFilteredTrav
should
fail traversing.