Mark Carroll <[EMAIL PROTECTED]> writes:
> Do any of the decent Haskell compilers allow you to just type function
> definitions at an interpreter prompt and use them in subsequent
> interactions, as you'd expect from a Lisp environment? I'm fed up of
> editing a tiny file separately and typing :reload each time, etc.
GHCi (part of GHC >= 5.00) allows you to use let to bind expressions at
the prompt. E.g. you can do something like
Prelude> let foo n = sum [1..n]
Prelude> foo 1000
500500
which I agree with you is a very handy thing to be able to do. :-)
Cheers,
Chris.
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