Only load Carp.pm when needed

[perl/modules/B-RecDeparse.git] / lib / B / RecDeparse.pm

diff --git a/lib/B/RecDeparse.pm b/lib/B/RecDeparse.pm
index 20246c01cd3715deb016477344725e382af09ef5..2aac9bb42e16ebacd1d05aa5aa6e7a5e2489ae92 100644 (file)
--- a/lib/B/RecDeparse.pm
+++ b/lib/B/RecDeparse.pm
@@ -5,7 +5,6 @@ use 5.008;
 use strict;
 use warnings;
 
-use Carp qw/croak/;
 use Config;
 
 use base qw/B::Deparse/;
@@ -16,11 +15,11 @@ B::RecDeparse - Deparse recursively into subroutines.
 
 =head1 VERSION
 
-Version 0.03
+Version 0.04
 
 =cut
 
-our $VERSION = '0.03';
+our $VERSION = '0.04';
 
 =head1 SYNOPSIS
 
@@ -55,8 +54,12 @@ use constant {
 };
 
 sub _parse_args {
- croak 'Optional arguments must be passed as key/value pairs' if @_ % 2;
+ if (@_ % 2) {
+  require Carp;
+  Carp::croak('Optional arguments must be passed as key/value pairs');
+ }
  my %args = @_;
+
  my $deparse = $args{deparse};
  if (defined $deparse) {
   if (!ref $deparse) {
@@ -67,9 +70,11 @@ sub _parse_args {
  } else {
   $deparse = [ ];
  }
- my $level   = $args{level};
- $level      = -1  unless defined $level;
- $level      = int $level;
+
+ my $level = $args{level};
+ $level    = -1  unless defined $level;
+ $level    = int $level;
+
  return $deparse, $level;
 }