In an invocation of "ghc-pkg describe PACKAGE", if a package PACKAGE
is found in multiple package.conf files (which are specified via the
--package-conf option on the ghc-pkg command line) then a description
for *each* such occurrence of that package is printed, one after the
other.
But since "ghc
In the code below the function "trans" is accepted by GHC 6.4, but
"trans1" is not. I would expect that "(x,y)" is just syntactic sugar
for "(,) x y", but apparently it isn't. I guess this is a bug; can
anyone explain what is going on?
Cheers,
Arthur
The Code:
data Equal a b where
Eq ::
