14 May
2008
14 May
'08
1:44 p.m.
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