Warning and glagow-exts instead of glasgow-exts
Take this module (Bla.hs):
x = [ q | y <- [1..10] | z <- [30..40], let q = z*z]
Loading it into GHCi gives:
[ Bla.hs:1: Illegal parallel list comprehension: use -
fglagow-exts ]
PROBLEM: glagow-exts should be glasgow-exts
If we supply this option, one of the warnings is incorrect:
[ Bla.hs:1: Warning: Defined but not used: y, z ]
PROBLEM: z is used but marked as not used
Cheers, Arjan (afie@cs.uu.nl)
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