[Haskell-cafe] Why so many strings in Network.URI, System.Posix and similar libraries?

Joey Hess joey at kitenet.net
Sun Mar 11 17:06:34 CET 2012

Jason Dusek wrote:
> > :info System.Posix.Env.getEnvironment
> System.Posix.Env.getEnvironment :: IO [(String, String)]
>         -- Defined in System.Posix.Env
> But there is no law that environment variables must be made of
> characters:

The recent ghc release provides
System.Posix.Env.ByteString.getEnvironment :: IO [(ByteString, ByteString)]

see shy jo
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