Introduce pattern matching [EXPERIMENTAL]

[ruby-core:87945] [Feature #14912]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67586 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 0 deletions

diff --git a/lib/pp.rb b/lib/pp.rb
index cbc49e72e9..ef559eff7c 100644
--- a/lib/pp.rb
+++ b/lib/pp.rb
@@ -537,6 +537,10 @@ class RubyVM::AbstractSyntaxTree::Node
         pretty_print_children(q, %w[pre_num pre_init opt first_post post_num post_init rest kw kwrest block])
       when :DEFN
         pretty_print_children(q, %w[mid body])
+      when :ARYPTN
+        pretty_print_children(q, %w[const pre rest post])
+      when :HSHPTN
+        pretty_print_children(q, %w[const kw kwrest])
       else
         pretty_print_children(q)
       end