Text.ABNF.Document.Operations

Documentation

filterDocument

Arguments

:: (Document a -> Bool)

Predicate to check

-> Document a

Document to filter

-> Maybe (Document a)

Returns Nothing if the predicate fails, cascades otherwise

Filter documents according to some predicate. Similar to filter in the Prelude.

squashDocument :: Monoid a => Document a -> Document a

Squash all contents of a Document into a single Terminal

squashDocumentOn :: forall a. Monoid a => (Document a -> Bool) -> Document a -> Document a

Squash all contents of a Document which matches the predicate See also squashDocument

squashContent :: Monoid a => [Content a] -> a

Squash all contents using the Monoid instance of a, cascading into NonTerminals.