Packages and modules
ketil+haskell at ii.uib.no
Fri Jul 7 03:00:52 EDT 2006
"Simon Peyton-Jones" <simonpj at microsoft.com> writes:
> Brian Hulley wrote:
> | import A.B.C( T1 ) from "foo"
> | import A.B.C( T2 ) from "bar"
> | type S = A.B.C.T1 -> A.B.C.T2
> | I'd suggest that the above should give a compiler error that A.B.C is
> | ambiguous (as a qualifier), rather than allowing T1 to disambiguate it,
> But that's inconsistent with Haskell 98.
FWIW, I agree with Brian that this is not good practice. If it can't
be forbidden, I would suggest that compilers emit a warning about it.
If I haven't seen further, it is by standing in the footprints of giants
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