Re: Proposal: System.Environment.getEnv should return Maybe

On Wed, Feb 22, 2012 at 18:05, Evan Laforge wrote:

So I propose a function: lookupEnv :: String -> IO (Maybe String)

+1 Maybe if exceptions fit the ecosystem a bit better, but as is getEnv does not make enormous amounts of sense to me (it's a bit like assuming the behavior of the C version on a nonexistent variable should be a core dump; that's taking the nature of unchecked pointers just a bit too literally...). -- brandon s allbery allbery.b@gmail.com wandering unix systems administrator (available) (412) 475-9364 vm/sms