Don't be so smug. PHP has automatic iterators, bash shell scripts have it, C++ has it (though implemented in a completely different way, using lots of operator overloading), and there are probably lots more languages that have a similar construct.

Actually, this exact functionality is not suported by Perl, except for internal containers (ie, straight hashes and arrays, or tie'd versions thereof). I mean, this code: 

my $container = Container->new(qw(e1 e2 e3));
foreach ($container) {
   # now $_ is $container, NOT one of the elements in it
}

[download]

Is not equivalent to: 

my @container = qw(e1 e2 e3);
foreach (@container) {
   # now $_ iterates over the elements of @container
}

[download]
While in java 1.5 you CAN switch the container between a "full-blown" container object and a "basic" array.

The only remarkable thing about the implementation of this feature in Java, is that it wasn't there in Java 1.0 (probably because the standard container interfaces weren't introduced until 1.2 or thereabouts - big oversight by Sun, if you ask me).

Anyway, I don't think the introduction of a foreach-like construct in Java kan be considered an "acceptance of Perl leadership" whatever that means.

"What should it profit a man, if he should win a flame war, yet lose his cool?"

In reply to Re: Java accepts Perl leadership by Joost
in thread Java accepts Perl leadership by TomDLux

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