The attached code produces error:
<-- cut here --
runghc -dcore-lint do_with_assignment.proto.hs
do_with_assignment.proto.hs:30:2:
Couldn't match expected type `[]' against inferred type `IO'
Expected type: [t]
Inferred type: IO ()
In the expression: putStr "v0="
In a 'do' expression: putStr "v0="
>-- cut here--
However, similar code here:
http://www.nabble.com/List-as-input-p19987726.html
apparently does work. Is there some compiler option I
need to use? The compiler is ghc:
ghc --version
The Glorious Glasgow Haskell Compilation System, version 6.8.2
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