> >
> > Where possible, use @_ rather than shift. shift is slower.
> >
> > my $var = shift; # wrong
> > my ($var) = @_; # right
I didn't have benchmarked it, but from the internal implementation, I would
expect that the first is faster then the second, because the second is a
array copy, while the first is only a scalar copy (and shift is very fast
anyway, because it only increments the base index)
> Personaly this whole section stinks. People use different methods, but for
> me, I try and avoid direct @_ access unless absolutely necessary. For
> method calls I prefer:
>
> my $self = shift;
> my ($param1, $param2) = @_;
>
Why not
my ($self, $param1, $param2) = @_;
?
> >
> > sub CONSTANT { 50; }
>
> That's not compiled as a constant - you forgot the empty prototype.
>
and "use constant" is much better readable, also it's also turned into a
(inlined) sub by Perl, especialy for non Perl gurus.
Gerald
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