> However, there is an exception:

More there are: 

use strict;
use warnings;


sub tst {
    warn "tst($_[0]) called\n"
}

my $symbol="tst";


($::{$symbol})->(1);

&{$::{$symbol}}(2);

(main->can($symbol))->(3);

&{main->can($symbol)}(4);

[download]

C:/Perl_524/bin\perl.exe  d:/exp/symbolic_references.pl 
tst(1) called
tst(2) called
tst(3) called
tst(4) called

[download]

NB:

  • $::{...} is a shortcut for STASH lookup $main::{...} and returns a type-glob
  • ->can(...) returns a coderef

    Cheers Rolf
    (addicted to the Perl Programming Language :)
    Wikisyntax for the Monastery FootballPerl is like chess, only without the dice

    In reply to Re^3: Function name in a variable, can't recall the concept by LanX
    in thread Function name in a variable, can't recall the concept by mpersico

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