sub PUSH {
perlsub say:
Subroutines whose names are in all upper case are reserved to the Perl core, as are modules whose names are in all lower case. A subroutine in all capitals is a loosely-held convention meaning it will be called indirectly by the run-time system itself, usually due to a triggered event. Subroutines that do special, pre-defined things include AUTOLOAD, CLONE, DESTROY plus all functions mentioned in perltie and PerlIO::via.

In reply to Re: Gratuitous use of Perl Prototypes by ysth
in thread Gratuitous use of Perl Prototypes by grantm

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