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Diffstat (limited to 'lib/Language/Haskell/Stylish/Printer.hs')
| -rw-r--r-- | lib/Language/Haskell/Stylish/Printer.hs | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Language/Haskell/Stylish/Printer.hs b/lib/Language/Haskell/Stylish/Printer.hs index 886f912..a7ddf5e 100644 --- a/lib/Language/Haskell/Stylish/Printer.hs +++ b/lib/Language/Haskell/Stylish/Printer.hs @@ -44,6 +44,7 @@ module Language.Haskell.Stylish.Printer , space , spaces , suffix + , pad -- ** Advanced combinators , withColumns @@ -323,6 +324,13 @@ prefix pa pb = pa >> pb suffix :: P a -> P b -> P a suffix pa pb = pb >> pa +-- | Indent to a given number of spaces. If the current line already exceeds +-- that number in length, nothing happens. +pad :: Int -> P () +pad n = do + len <- length <$> getCurrentLine + spaces $ n - len + -- | Gets comment on supplied 'line' and removes it from the state removeLineComment :: Int -> P (Maybe AnnotationComment) removeLineComment line = |