Re: [Haskell-cafe] Prelude.undefined

[Alex MDC]

2010/3/3 Tom Hawkins <tomahawkins@xxxxxxxxx>

On Wed, Mar 3, 2010 at 6:07 AM, Ivan Miljenovic

-Wall only complains about shadow bindings, defined but not used, and
no type signature. ÂBut no unmatched patterns.

Â

If you can run your code through the ghc debugger you can get it to break when an undefined exception is raised.

The options are :set -fbreak-on-exception or -fbreak-on-error. More info in the documentation at http://www.haskell.org/ghc/docs/latest/html/users_guide/ghci-debugger.html#ghci-debugger-exceptions

Hope that helps,
Alex MDC

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