Sub::Inspector - get infomation (prototype, attributes, name, etc) from a subroutine reference
use Sub::Inspector; use File::Spec; my $code = File::Spec->can('canonpath'); print Sub::Inspector->file($code); #=> '/Users/Cside/perl5/ ...' print Sub::Inspector->line($code); #=> 71 print Sub::Inspector->name($code); #=> 'canonpath' print Sub::Inspector->dump($code); #=> 'sub { my ($self, $path) = @_; ...' sub has_proto (&;@) {} sub has_attrs :method :lvalue {} print Sub::Inspector->proto(\&has_proto); #=> '&;@' print Sub::Inspector->attrs(\&has_attrs); #=> ('method', 'lvalue') # OO-Style my $inspector = Sub::Inspector->new($code); print $inspector->file; #=> '/Users/Cside/perl5/ ...' print $inspector->line; #=> 71 print $inspector->name; #=> 'canonpath'
This module enable to get metadata (prototype, attributes, method name, etc) from a coderef. We can get them by the buit-in module, B.pm. However, it is a bit difficult to memorize how to use it.
NOTE: You can call each method whether as instance method or as class method.
alias: prototype
alias: attributes
alias: as_string
Hiroki Honda (Cside) <cside.story [at] gmail.com>
Copyright (c) Hiroki Honda.
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
To install Sub::Inspector, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Sub::Inspector
CPAN shell
perl -MCPAN -e shell install Sub::Inspector
For more information on module installation, please visit the detailed CPAN module installation guide.