Safe Haskell	None
Language	Haskell2010

Haskus.Format.Text

Synopsis

newtype TextBuffer (t :: k) b = TextBuffer b
type TextI t = TextBuffer t BufferI
type TextB t mut pin fin heap = TextBuffer t (Buffer mut pin fin heap)
class ShowText t b where
- showTextIO :: MonadIO m => TextBuffer t b -> m String
- showText :: BufferToList b => TextBuffer t b -> String

Documentation

newtype TextBuffer (t :: k) b Source #

Text buffer

The buffer contains a text encoded according to phantom type t

Constructors

Instances

Support ASCII text with OverloadedStrings

>>> :set -XOverloadedStrings
>>> let t = "HELLO" :: TextI ASCII
>>> showText t
"HELLO"

>>> let badt = "José" :: TextI ASCII
>>> showText badt
"*** Exception: Invalid ASCII character: é

Instance details

Methods

type TextB t mut pin fin heap = TextBuffer t (Buffer mut pin fin heap) Source #

class ShowText t b where Source #

Methods

Show text in IO

Pure show text

Instances

Instance for ASCII text

>>> :set -XOverloadedLists
>>> let b = [72,69,76,76,79] :: BufferI
>>> showText (TextBuffer @ASCII b)
"HELLO"

Instance details

Methods