| line | stmt | bran | cond | sub | pod | time | code | 
| 1 |  |  |  |  |  |  | # Copyright (c) 1997-2007 Graham Barr . All rights reserved. | 
| 2 |  |  |  |  |  |  | # This program is free software; you can redistribute it and/or | 
| 3 |  |  |  |  |  |  | # modify it under the same terms as Perl itself. | 
| 4 |  |  |  |  |  |  | # | 
| 5 |  |  |  |  |  |  | # Maintained since 2013 by Paul Evans | 
| 6 |  |  |  |  |  |  |  | 
| 7 |  |  |  |  |  |  | package Scalar::Util; | 
| 8 |  |  |  |  |  |  |  | 
| 9 |  |  |  |  |  |  | use strict; | 
| 10 |  |  |  |  |  |  | use warnings; | 
| 11 |  |  |  |  |  |  | require Exporter; | 
| 12 |  |  |  |  |  |  |  | 
| 13 |  |  |  |  |  |  | our @ISA       = qw(Exporter); | 
| 14 |  |  |  |  |  |  | our @EXPORT_OK = qw( | 
| 15 |  |  |  |  |  |  | blessed refaddr reftype weaken unweaken isweak | 
| 16 |  |  |  |  |  |  |  | 
| 17 |  |  |  |  |  |  | dualvar isdual isvstring looks_like_number openhandle readonly set_prototype | 
| 18 |  |  |  |  |  |  | tainted | 
| 19 |  |  |  |  |  |  | ); | 
| 20 |  |  |  |  |  |  | our $VERSION    = "1.62"; | 
| 21 |  |  |  |  |  |  | $VERSION =~ tr/_//d; | 
| 22 |  |  |  |  |  |  |  | 
| 23 |  |  |  |  |  |  | require List::Util; # List::Util loads the XS | 
| 24 |  |  |  |  |  |  | List::Util->VERSION( $VERSION ); # Ensure we got the right XS version (RT#100863) | 
| 25 |  |  |  |  |  |  |  | 
| 26 |  |  |  |  |  |  | # populating @EXPORT_FAIL is done in the XS code | 
| 27 |  |  |  |  |  |  | sub export_fail { | 
| 28 | 0 | 0 |  | 0 | 0 |  | if (grep { /^isvstring$/ } @_ ) { | 
|  | 0 |  |  |  |  |  |  | 
| 29 | 0 |  |  |  |  |  | require Carp; | 
| 30 | 0 |  |  |  |  |  | Carp::croak("Vstrings are not implemented in this version of perl"); | 
| 31 |  |  |  |  |  |  | } | 
| 32 |  |  |  |  |  |  |  | 
| 33 | 0 |  |  |  |  |  | @_; | 
| 34 |  |  |  |  |  |  | } | 
| 35 |  |  |  |  |  |  |  | 
| 36 |  |  |  |  |  |  | # set_prototype has been moved to Sub::Util with a different interface | 
| 37 |  |  |  |  |  |  | sub set_prototype(&$) | 
| 38 |  |  |  |  |  |  | { | 
| 39 | 0 |  |  | 0 | 1 |  | my ( $code, $proto ) = @_; | 
| 40 | 0 |  |  |  |  |  | return Sub::Util::set_prototype( $proto, $code ); | 
| 41 |  |  |  |  |  |  | } | 
| 42 |  |  |  |  |  |  |  | 
| 43 |  |  |  |  |  |  | 1; | 
| 44 |  |  |  |  |  |  |  | 
| 45 |  |  |  |  |  |  | __END__ |