Copyright	Copyright (c) 2016-2018 Lars Kuhtz <lakuhtz@gmail.com> Copyright (c) 2014-2015 PivotCloud Inc.
License	Apache License, Version 2.0
Maintainer	Lars Kuhtz <lakuhtz@gmail.com>
Stability	experimental
Safe Haskell	None
Language	Haskell2010

System.Logger.Backend.ColorOption

Description

An option that indicates whether ANSI color escapes shall be used in textual output.

Synopsis

data ColorOption
- = ColorAuto
- | ColorFalse
- | ColorTrue
readColorOption :: (Monad m, Eq a, Show a, FoldCase a, IsString a, IsString e, Monoid e, MonadError e m) => a -> m ColorOption
colorOptionText :: IsString a => ColorOption -> a
defaultColorOption :: ColorOption
pColorOption :: Parser ColorOption
pColorOption_ :: Text -> Parser ColorOption
useColor :: ColorOption -> Handle -> IO Bool

Documentation

data ColorOption Source #

Color Option

Constructors

ColorAuto
ColorFalse
ColorTrue

Instances

Bounded ColorOption Source #
Instance details Defined in System.Logger.Backend.ColorOption Methods minBound :: ColorOption # maxBound :: ColorOption #
Enum ColorOption Source #
Instance details Defined in System.Logger.Backend.ColorOption Methods succ :: ColorOption -> ColorOption # pred :: ColorOption -> ColorOption # toEnum :: Int -> ColorOption # fromEnum :: ColorOption -> Int # enumFrom :: ColorOption -> [ColorOption] # enumFromThen :: ColorOption -> ColorOption -> [ColorOption] # enumFromTo :: ColorOption -> ColorOption -> [ColorOption] # enumFromThenTo :: ColorOption -> ColorOption -> ColorOption -> [ColorOption] #
Eq ColorOption Source #
Instance details Defined in System.Logger.Backend.ColorOption Methods (==) :: ColorOption -> ColorOption -> Bool # (/=) :: ColorOption -> ColorOption -> Bool #
Ord ColorOption Source #
Instance details Defined in System.Logger.Backend.ColorOption Methods compare :: ColorOption -> ColorOption -> Ordering # (<) :: ColorOption -> ColorOption -> Bool # (<=) :: ColorOption -> ColorOption -> Bool # (>) :: ColorOption -> ColorOption -> Bool # (>=) :: ColorOption -> ColorOption -> Bool # max :: ColorOption -> ColorOption -> ColorOption # min :: ColorOption -> ColorOption -> ColorOption #
Read ColorOption Source #
Instance details Defined in System.Logger.Backend.ColorOption Methods readsPrec :: Int -> ReadS ColorOption # readList :: ReadS [ColorOption] # readPrec :: ReadPrec ColorOption # readListPrec :: ReadPrec [ColorOption] #
Show ColorOption Source #
Instance details Defined in System.Logger.Backend.ColorOption Methods showsPrec :: Int -> ColorOption -> ShowS # show :: ColorOption -> String # showList :: [ColorOption] -> ShowS #
Generic ColorOption Source #
Instance details Defined in System.Logger.Backend.ColorOption Associated Types type Rep ColorOption :: * -> * # Methods from :: ColorOption -> Rep ColorOption x # to :: Rep ColorOption x -> ColorOption #
NFData ColorOption Source #
Instance details Defined in System.Logger.Backend.ColorOption Methods rnf :: ColorOption -> () #
ToJSON ColorOption Source #
Instance details Defined in System.Logger.Backend.ColorOption Methods toJSON :: ColorOption -> Value # toEncoding :: ColorOption -> Encoding # toJSONList :: [ColorOption] -> Value # toEncodingList :: [ColorOption] -> Encoding #
FromJSON ColorOption Source #
Instance details Defined in System.Logger.Backend.ColorOption Methods parseJSON :: Value -> Parser ColorOption # parseJSONList :: Value -> Parser [ColorOption] #
type Rep ColorOption Source #
Instance details Defined in System.Logger.Backend.ColorOption type Rep ColorOption = D1 (MetaData "ColorOption" "System.Logger.Backend.ColorOption" "yet-another-logger-0.3.1-9xkv1iYSnq3IJ3TK3FoqRe" False) (C1 (MetaCons "ColorAuto" PrefixI False) (U1 :: * -> ) :+: (C1 (MetaCons "ColorFalse" PrefixI False) (U1 :: -> ) :+: C1 (MetaCons "ColorTrue" PrefixI False) (U1 :: -> *)))

readColorOption :: (Monad m, Eq a, Show a, FoldCase a, IsString a, IsString e, Monoid e, MonadError e m) => a -> m ColorOption Source #

colorOptionText :: IsString a => ColorOption -> a Source #

defaultColorOption :: ColorOption Source #

pColorOption :: Parser ColorOption Source #

pColorOption_ Source #

Arguments

:: Text	prefix for the command line options.
-> Parser ColorOption

A version of pColorOption that takes a prefix for the command line option.

Since: yet-another-logger-0.2

useColor :: ColorOption -> Handle -> IO Bool Source #