Either use UNIVERSAL's "can" method, or look up the name in the symbol table hash %FunctionsSet:: (see perlmod) e.g.
use strict;
use warnings;
package FunctionsSet;
sub function1 { warn "This is function1" }
sub function2 { warn "This is function2" }
sub function3 { warn "This is function3" }
sub function4 { warn "This is function4" }
package main;
my @names = qw/function1 function4/;
foreach my $func (@names) {
FunctionsSet->can($func)->();
}
my @more_names = qw/function2 function3/;
foreach my $func (@more_names) {
$FunctionsSet::{$func}->();
}
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