cpphs Source code Contents Index

Language.Preprocessor.Cpphs.SymTab Portability All Stability Stable Maintainer Malcolm Wallace <Malcolm.Wallace@cs.york.ac.uk>

Description

Symbol Table, based on index trees using a hash on the key. Keys are always Strings. Stored values can be any type.

Synopsis

type SymTab v = IndTree [(String, v)] emptyST :: SymTab v insertST :: (String, v) -> SymTab v -> SymTab v deleteST :: String -> SymTab v -> SymTab v lookupST :: String -> SymTab v -> Maybe v definedST :: String -> SymTab v -> Bool data IndTree t

Documentation

type SymTab v = IndTree [(String, v)] Source

Symbol Table. Stored values are polymorphic, but the keys are always strings.

emptyST :: SymTab v Source

insertST :: (String, v) -> SymTab v -> SymTab v Source

deleteST :: String -> SymTab v -> SymTab v Source

lookupST :: String -> SymTab v -> Maybe v Source

definedST :: String -> SymTab v -> Bool Source

data IndTree t Source

Index Trees (storing indexes at nodes). Instances Show t => Show (IndTree t)

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