Language.Haskell.HLint

This module provides a library interface to HLint. The current interface is strongly modelled on the command line interface, and is expected to evolve.

Documentation

hlint :: [String] -> IO [Suggestion]

This function takes a list of command line arguments, and returns the given suggestions. To see a list of arguments type hlint --help at the console. This function writes to the stdout/stderr streams, unless --quiet is specified.

As an example:

 do hints <- hlint ["src", "--ignore=Use map","--quiet"]
    when (length hints > 3) $ error "Too many hints!"

data Suggestion

A suggestion - the Show instance is of particular use.

Instances

Eq Suggestion

Ord Suggestion

Show Suggestion

suggestionLocation :: Suggestion -> SrcLoc

From a suggestion, extract the file location it refers to.