* lib/prettyprint.rb (PrettyPrint#seplist): added.

* lib/pp.rb (PPMethods#pp_object): use seplist.
  (PPMethods#pp_hash): ditto.
  (Array#pretty_print): ditto.
  (Struct#pretty_print): ditto.
  (MatchData#pretty_print): ditto.

* lib/set.rb (Set#pretty_print): use seplist.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5623 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 13 insertions, 0 deletions

diff --git a/lib/prettyprint.rb b/lib/prettyprint.rb
index 70b6da7924..6f2c8ea7cc 100644
--- a/lib/prettyprint.rb
+++ b/lib/prettyprint.rb
@@ -159,6 +159,19 @@ class PrettyPrint
     @group_stack.last
   end
 
+  def seplist(list, sep=nil, iter_method=:each)
+    sep ||= lambda { comma_breakable }
+    first = true
+    list.__send__(iter_method) {|*v|
+      if first
+        first = false
+      else
+        sep.call
+      end
+      yield(*v)
+    }
+  end
+
   def first?
     current_group.first?
   end