NAME

Sub::Inspector - get infomation (prototype, attributes, name, etc) from a subroutine reference

SYNOPSIS

    use Sub::Inspector;


    # get file, line, name (oo interface)

    use File::Spec;
    my $code = File::Spec->can('canonpath');
    my $inspector = Sub::Inspector->new($code);

    print $inspector->file; #=> '/Users/Cside/perl5/ ... /File/Spec/Unix.pm'
    print $inspector->line; #=> 71
    print $inspector->name; #=> 'canonpath'

    # class method interface

    print Sub::Inspector->file($code); #=> '/Users/Cside/perl5/ ... /File/Spec/Unix.pm'
    print Sub::Inspector->line($code); #=> 71
    print Sub::Inspector->name($code); #=> 'canonpath'


    # get prototype

    use Try::Tiny qw(try);

    print Sub::Inspector->proto(\&try); #=> '&;@'


    # get attributes

    use AnyEvent::Handle;
    my $code2 = AnyEvent::Handle->can('rbuf');

    print Sub::Inspector->attrs($code2); #=> ('lvalue')

DESCRIPTION

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.

Functions

NOTE: You can call each method whether as instance method or as class method.

$inspector->file

$inspector->line

$inspector->name

$inspector->proto

alias: prototype

$inspector->attrs

alias: attributes

SEE ALSO

B

B::Deparser

AUTHOR

Hiroki Honda (Cside) <cside.story [at] gmail.com>

LICENSE AND COPYRIGHT

Copyright (c) Hiroki Honda.

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.