Operators define their own parsing rules. Some of these can be approximated using prototypes. 

sub my_push(\@@) {
    my $ref = shift;
    push @$ref, @_;
    return 0+@$ref;
}

my @a = (1..4);
my_push(@a, 5);
print "@a\n";  # 1 2 3 4 5

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In reply to Re: technique of push by ikegami
in thread technique of push by saranperl

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