(I sent this to horos in the first RFC format, before the language
list. I haven't got any response, so I send this agian now. I don't
have time to read the list or maintain an RFC. I just wan't to give
this suggestion.)
Does any other RFC give the equivalent to an 'in' operator?
I have a couple of times noticed that beginners in programming want to
write if( $a eq ($b or $c or $d)){...} and expects it to mean
if( $a eq $b or $a eq $c or $a eq $d ){...}.
I think it's a natural human reaction to not be repetative. An 'in'
operator will help here. It could be something like this:
$a in @b; # Has @b any element exactly the same as $a
$a == in @b; # Is any element numericaly the same as $a
$a eq in @b;
$a > in @b; # Is $a bigger than any element in @b?
$a not in @b; # Yes. Make 'not' context dependent modifier for in.
...
You could even use it as a version of the ||| operator. :-)
$a = in @b; # Assign the first defined value to $a
--
/ Jonas - http://jonas.liljegren.org/myself/en/index.html
