attoparsec-text-0.8.5.3: (deprecated)

Portabilityunknown
Stabilityexperimental
Maintainer[email protected]

Data.Attoparsec.Text.FastSet

Contents

Description

Fast set membership tests for Char values. The set representation is unboxed for efficiency. We test for membership using a binary search.

Synopsis

Data type

data FastSet Source

Instances

Construction

fromList :: [Char] -> FastSetSource

set :: Text -> FastSetSource

Create a set.

Lookup

member :: Char -> FastSet -> BoolSource

Check the set for membership.

Handy interface

charClass :: String -> FastSetSource