On 5 April 2011 18:00, James Cook <[email protected]> wrote: > It's quite hacky, but this can be done with CPP and quasiquoting > (incidentally, it would be _REALLY_ nice if 'undefined' and 'error' had > similar source-location-dependent error messages by default): > > > https://github.com/mokus0/junkbox/commit/bad59f486c3457f1d880a1cfa5b1baa33aff4ade
#define undefined [underscore|"undefined" at line __LINE__ in __FILE__|] That's nice, I like it. Wanted something like this for a while. I rarely get exceptions in Haskell so that it's not even a bother when I don't know what line number an exception came from, even undefined, but it's nice to have it.
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