When using -XOverloadedStrings you can implement IsString which only requires a function fromString. Now if you want to use string literals for pattern matching, you also have to implement Eq, whic...

I'm aware that the OverloadedStrings language pragma wraps an implicit fromString around all string literals. What I'd like to do is not actually overload strings, but merely change their meaning s...

OverloadedStrings extension is really very useful, however it has some downsides. Consider the following function definition: someFunction :: ToJSSTring a => a -> IO () someFunction = js_fun...

I'm getting a curious warning when pattern matching, but only when OverloadedStrings is enabled... $ ghci -Wall GHCi, version 6.12.1: http://www.haskell.org/ghc/ :? for help Loading package ghc-pr...

I've enabled overloaded strings, but I can't get them to work: $ cat overloadedstrings.hs {-# LANGUAGE OverloadedStrings #-} import qualified Data.ByteString as B import qualified Data.ByteStrin...