Use Trailingcomma option when available (RT#114609)

[p5sagit/Data-Dumper-Concise.git] / lib / Data / Dumper / Concise.pm

diff --git a/lib/Data/Dumper/Concise.pm b/lib/Data/Dumper/Concise.pm
index 09ec2f7..543f8ce 100644 (file)
--- a/lib/Data/Dumper/Concise.pm
+++ b/lib/Data/Dumper/Concise.pm
@@ -13,6 +13,7 @@ BEGIN { @ISA = qw(Exporter) }
 
 sub DumperObject {
   my $dd = Data::Dumper->new([]);
+  $dd->Trailingcomma(1) if $dd->can('Trailingcomma');
   $dd->Terse(1)->Indent(1)->Useqq(1)->Deparse(1)->Quotekeys(0)->Sortkeys(1);
 }
 
@@ -43,6 +44,7 @@ is equivalent to:
     local $Data::Dumper::Deparse = 1;
     local $Data::Dumper::Quotekeys = 0;
     local $Data::Dumper::Sortkeys = 1;
+    local $Data::Dumper::Trailingcomma = 1;
     warn Dumper($var);
   }
 
@@ -58,7 +60,7 @@ Data::Dumper::Concise will give you:
         use warnings;
         use strict 'refs';
         'fleem';
-    }
+    },
   }
 
 instead of the default Data::Dumper output:
@@ -71,6 +73,11 @@ instead of the default Data::Dumper output:
 
 (note the tab indentation, oh joy ...)
 
+(The trailing comma on the last element of an array or hash is enabled by a new
+feature in Data::Dumper version 2.159, which was first released in Perl 5.24.
+Using Data::Dumper::Concise with an older version of Data::Dumper will still
+work, but you won't get those commas.)
+
 If you need to get the underlying L<Dumper> object just call C<DumperObject>.
 
 Also try out C<DumperF> which takes a C<CodeRef> as the first argument to