GHCi のプロンプトをカラフルにする
概要
GHCi のプロンプトをカラフルにする。
install
Cabal で ipprint と hscolour をインストールします。
~/.ghci
~/.ghci に以下の内容を記述すると ghci 起動時に読み込まれてカラフルなプロンプトが現れます。
import qualified IPPrint
import qualified Language.Haskell.HsColour as HsColour
import qualified Language.Haskell.HsColour.Colourise as HsColour
import qualified Language.Haskell.HsColour.Output as HsColour
let myColourPrefs = HsColour.defaultColourPrefs { HsColour.conid = [HsColour.Foreground HsColour.Yellow, HsColour.Bold], HsColour.conop = [HsColour.Foreground HsColour.Yellow], HsColour.string = [HsColour.Foreground HsColour.Green], HsColour.char = [HsColour.Foreground HsColour.Cyan], HsColour.number = [HsColour.Foreground HsColour.Red, HsColour.Bold], HsColour.layout = [HsColour.Foreground HsColour.White], HsColour.keyglyph = [HsColour.Foreground HsColour.White] }
let myPrint = putStrLn . HsColour.hscolour (HsColour.TTYg HsColour.XTerm256Compatible) myColourPrefs False False "" False . IPPrint.pshow
:set -interactive-print=myPrint
:set -XNoMonomorphismRestriction
:set prompt "\ESC[1;35m{- %s -}\n> \ESC[m"
:m