the problem of using _Var instead of _

Bengt Kleberg <>
Mon Mar 7 09:18:23 CET 2005


Richard A. O'Keefe wrote:
...deleted
> in _all_ the programming languages I've used which have pattern
> matching standardly built into their procedure-calling machinery,
> "anonymous variable" syntax gives you a new distinct variable
> each time you use it, while this is not true for any other kind of
> variable, no matter how spelled.

my mistake was to think that all variables that start with '_' are 
anonymous variables. since i managed to write code for four years 
without realising my mistake, i thought it might be possible that others 
are also making this mistake. if so, it seemed to me to be for the best 
to explain the difference between variables starting with '_' that are 
one character long, and those that are longer.

to avoid sending this (superflous) explanation to the mail list i wanted 
to know if this could not become part of a ''stupid mistakes to avoid'' 
page on trapexit.org . however, emails to  bounce. the 
address is erronously expanded to 

sorry for the confusion.


bengt



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