On Wed, Mar 3, 2010 at 6:11 AM, Tom Hawkins <tomahawk...@gmail.com> wrote: > On Wed, Mar 3, 2010 at 6:07 AM, Ivan Miljenovic > <ivan.miljeno...@gmail.com> wrote: >> On 3 March 2010 16:06, Tom Hawkins <tomahawk...@gmail.com> wrote: >>> How do I track down an reference to an undefined value? My program >>> must not be using a library correctly because the program makes no >>> direct use of 'undefined'. Running with +RTS -xc yields: >>> >>> <GHC.Err.CAF>Test: Prelude.undefined >> >> Are you matching all patterns? When compiling with -Wall does it make >> any complaints? > > -Wall only complains about shadow bindings, defined but not used, and > no type signature. But no unmatched patterns.
BTW, I'm using: GHC 6.12.1 bytestring 0.9.1.5 containers 0.3.0.0 _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe