SPUG: Interesting bug using 'map'
Ronald J Kimball
rjk-spug at tamias.net
Fri Apr 10 11:56:47 PDT 2009
On Fri, Apr 10, 2009 at 11:44:26AM -0700, Michael R. Wolf wrote:
> On Apr 9, 2009, at 8:52 PM, seasprocket at gmail.com wrote:
> >The bug arises bc fropper and glopper are not guaranteed to have
> >return values for fee/fi/fo, and bc map evaluates BLOCK in LIST
> >context. So if fee or fi is undefined, you get an empty list which
> >collapses in the final result. Then fi or fo can get assigned to the
> >wrong variable.
> You are describing the documented behavior, not a bug.
It's a bug using map, not a bug in map.
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