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Re: Hugs doesn't know List Difference operator (\\)

by Scott Turner-6 :: Rate this Message:

On 2008 May 14 Wednesday, leledumbo wrote:
> I'm reading some Haskell Tutorial when I arrive at List Difference
> operator, which is \\. But when I try on Hugs, it responded: ERROR -
> Undefined variable "\\"

Add 'import List' to your program.

Or if you're running the Hugs interpreter with no program, do
Hugs> :l List

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