[Haskell-cafe] Pattern matching, and bugs

Serguey Zefirov sergueyz at gmail.com
Fri Dec 18 07:22:18 EST 2009

> I would like to have a way for Haskell, not to crash, when my coders write
> pattern matching without the above mentioned general case.
> Like having the compiler auto-include those general cases for us,
> but when those cases got hit, then instead of crashing, it should report
> some error on stdout or stderr.
> (It would be even nicer if it cold have been traced.)

You should not wait for Haskell prime. What you are asking is already
in libraries: http://www.haskell.org/ghc/docs/latest/html/libraries/base-

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