Include: include/setup.vader Execute (neomake#makers#ft#haskell#HlintEntryProcess): function! s:F(text) let entry = {'text': a:text} call neomake#makers#ft#haskell#HlintEntryProcess(entry) return entry.text endfunction let simple = \"Use fmap\n \ Found:\n \ liftM\n \ Why not:\n \ fmap" let extra_whitespace = \"Use fmap\n \ Found:\n \ liftM\n \ Why not:\n \ fmap" AssertEqual s:F(simple), 'Use fmap | Found: liftM | Why not: fmap' AssertEqual s:F(extra_whitespace), 'Use fmap | Found: liftM | Why not: fmap' let multiline_code = \"Use fromMaybe\n \ Found:\n \ case findIndex (not . null) xs of\n \ Just ix -> ix\n \ Nothing -> -1\n \ Why not:\n \ fromMaybe (-1) (findIndex (not . null) xs)" AssertEqual s:F(multiline_code), \ 'Use fromMaybe | ' . \ 'Found: case findIndex (not . null) xs of Just ix -> ix Nothing -> -1 | ' . \ 'Why not: fromMaybe (-1) (findIndex (not . null) xs)'