| Safe Haskell | None |
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Data.Generics.UniplateOn
Description
DEPRECATED: Use Data.Generics.Uniplate.Operations instead.
This module retained Haskell 98 compatability, but users who are happy with multi-parameter type classes should look towards Data.Generics.Biplate.
The only function missing from Data.Generics.Uniplate is fold, as it can be
constructed from children and has little meaning in a multi-typed setting.
All operations, apart from childrenOn should perform identically to their non On
counterparts.
- module Data.Generics.Uniplate
- type BiplateType from to = from -> ([to], [to] -> from)
- universeOn :: Uniplate to => BiplateType from to -> from -> [to]
- childrenOn :: Uniplate to => BiplateType from to -> from -> [to]
- transformOn :: Uniplate to => BiplateType from to -> (to -> to) -> from -> from
- transformOnM :: (Monad m, Uniplate to) => BiplateType from to -> (to -> m to) -> from -> m from
- rewriteOn :: Uniplate to => BiplateType from to -> (to -> Maybe to) -> from -> from
- rewriteOnM :: (Monad m, Uniplate to) => BiplateType from to -> (to -> m (Maybe to)) -> from -> m from
- descendOn :: Uniplate to => BiplateType from to -> (to -> to) -> from -> from
- descendOnM :: (Monad m, Uniplate to) => BiplateType from to -> (to -> m to) -> from -> m from
- holesOn :: Uniplate to => BiplateType from to -> from -> [(to, to -> from)]
- contextsOn :: Uniplate to => BiplateType from to -> from -> [(to, to -> from)]
- uniplateOnList :: BiplateType a b -> BiplateType [a] b
Documentation
module Data.Generics.Uniplate
Types
type BiplateType from to = from -> ([to], [to] -> from)Source
Return all the top most children of type to within from.
If from == to then this function should return the root as the single
child.
Operations
Queries
universeOn :: Uniplate to => BiplateType from to -> from -> [to]Source
childrenOn :: Uniplate to => BiplateType from to -> from -> [to]Source
Return the children of a type. If to == from then it returns the
original element (in contrast to children)
Transformations
transformOn :: Uniplate to => BiplateType from to -> (to -> to) -> from -> fromSource
transformOnM :: (Monad m, Uniplate to) => BiplateType from to -> (to -> m to) -> from -> m fromSource
rewriteOn :: Uniplate to => BiplateType from to -> (to -> Maybe to) -> from -> fromSource
rewriteOnM :: (Monad m, Uniplate to) => BiplateType from to -> (to -> m (Maybe to)) -> from -> m fromSource
descendOn :: Uniplate to => BiplateType from to -> (to -> to) -> from -> fromSource
descendOnM :: (Monad m, Uniplate to) => BiplateType from to -> (to -> m to) -> from -> m fromSource
Other
holesOn :: Uniplate to => BiplateType from to -> from -> [(to, to -> from)]Source
contextsOn :: Uniplate to => BiplateType from to -> from -> [(to, to -> from)]Source
Helper for writing instances
uniplateOnList :: BiplateType a b -> BiplateType [a] bSource
Used for defining instances UniplateFoo a => UniplateFoo [a]