Alternatively: (UNIVERSAL::can('main', $sub) or sub { print "No such sub: $_\n" })->(); ____________#!/usr/bin/perl -w use strict; for (qw(foo bar)) { ($main::{$_} or sub { print "No such sub: $_\n" })->(); } sub foo { print "Yes, I'm here.\n"; } __END__ Yes, I'm here. No such sub: bar
In reply to Re: Random Tips on Parse::RecDescent
by Aristotle
in thread Random Tips on Parse::RecDescent
by hsmyers
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