Data.String.Builder

The build function can be used to construct multi-line string literals in a monadic way:

 {-# LANGUAGE OverloadedStrings #-}

 import Data.String.Builder

 mystring :: String
 mystring = build $ do
   "foo"
   "bar"
   "baz"

Functions

build :: Builder -> String

Run a builder.

literal :: String -> Builder

Add a literal string.

Types

type Builder = BuilderM ()

data BuilderM a

A writer monad for string literals.

Instances

Monad BuilderM

~ * a () => IsString (BuilderM a)