I recently ran up against the same problem. Unfortunately, I couldn't find any easy way to to solve the problem, so I've been using
Sub::Mutate. It's basically for examination and modification of subroutines. Try this script to get started. I left out the mutation methods. You can add them when you think that you're ready.
#!/usr/bin/perl
use strict;
use warnings;
use Sub::Mutate qw(
sub_body_type
sub_closure_role
sub_is_lvalue
sub_is_constant
sub_is_method
sub_is_debuggable
sub_prototype
);
my $sub = \&finddeps;
my $type_body = sub_body_type($sub);
my $type_closure = sub_closure_role($sub);
my $type_is_lvalue = sub_is_lvalue($sub);
my $type_is_constant = sub_is_constant($sub);
my $type_is_method = sub_is_method($sub);
my $type_is_debuggable = sub_is_debuggable($sub);
my $type_prototype = sub_prototype($sub);
print
"$type_body,
$type_closure,
$type_is_lvalue,
$type_is_constant,
$type_is_debuggable,
$type_prototype\n";
sub finddeps {
use CPAN::FindDependencies;
my @dependencies = CPAN::FindDependencies::finddeps();
foreach my $dep (@dependencies) {
print ' ' x $dep->depth();
print $dep->name().' ('.$dep->distribution().")\n";
}
}
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