haskeline-0.3: A command-line interface for user input, written in Haskell. Source code Contents Index

System.Console.Haskeline.Completion

Synopsis

type CompletionFunc m = String -> m (String, [Completion]) data Completion = Completion { replacement :: String display :: String } completeWord :: Monad m => Maybe Char -> String -> (String -> m [Completion]) -> CompletionFunc m simpleCompletion :: String -> Completion noCompletion :: Monad m => CompletionFunc m completeFilename :: MonadIO m => CompletionFunc m filenameWordBreakChars :: String

Documentation

type CompletionFunc m = String -> m (String, [Completion]) Source

Performs completions from a reversed String. The output String is also reversed. Use completeWord to build these functions.

data Completion Source

Constructors Completion replacement :: String Text to insert in line. display :: String Text to display when listing alternatives. Instances Show Completion

completeWord Source

:: Monad m => Maybe Char An optional escape character -> String List of characters which count as whitespace -> String -> m [Completion] Function to produce a list of possible completions -> CompletionFunc m The following function creates a custom CompletionFunc for use in the 'Settings.'

simpleCompletion :: String -> Completion Source

Adds a space after the word when inserting it after expansion.

noCompletion :: Monad m => CompletionFunc m Source

Disable completion altogether.

completeFilename :: MonadIO m => CompletionFunc m Source

filenameWordBreakChars :: String Source

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