An over enthusiastic warning ?
Tue May 23 23:45:34 CEST 2006
Roger Price writes:
> The following code was produced by a compiler  which replaced unused
> variables U4 and U5 by wildcards,
Calling _U4 a 'wildcard' seems a bit misleading, because it leads to
the thought that _U4 is a wildcard in the same way as _ is a wildcard,
which is not the case. For example:
f(_U, _U) -> same;
f(_U, _V) -> different.
Matthias (aware that I've avoided most of your implied question and
quite probably told you something you already know)
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