Neil Mitchell wrote:
Hi
The reason, as Matt discovered, is that it has module Queens where,
not module Main where. Could we perhaps get a better error message on
this one?
Or more precisely ...
main = nsoln 9
nsoln :: Int -> Int
therefore main :: Int, which funnily enough the runtime doesn't like.
The only solution would be include some kind of flag in the bytecode
saying "this function can be used as a main function because it has the
right type". Functions do have a flags field and at the moment it's
largely unused so it would certainly be possible.
Cheers
Tom
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