[Haskell-cafe] Re: How to make Prelude.read: no parse more verbose ...

Ketil Malde wrote:

Georg Sauthoff writes:

...

Well, how do I compile a Haskell program in such a way, that I get a useful error message from read? I mean, like the filename/linenumber of the calling expression for starters.

It's dirty, it's mean, but you can use CPP. (On one line, and with ghc -cpp): [..]

Thanks! Indeed, it looks mean, but it helps, because I am currently using ghc < 6.8 ... Best regards Georg Sauthoff -- Fortune : 'Real programmers don't comment their code. It was hard to write, it should be hard to understand.' ;)