[Haskell-cafe] Pattern matching, and bugs

[Serguey Zefirov]

> 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-4.2.0.0/Control-Exception.html