[Truffle] Add Hash#to_proc

jruby · Jun 28, 2016 · 8182745 · 8182745
1 parent 8ea2dae
commit 8182745
Showing 2 changed files with 7 additions and 6 deletions.
diff --git a/spec/truffle/tags/core/hash/to_proc_tags.txt b/spec/truffle/tags/core/hash/to_proc_tags.txt
diff --git a/truffle/src/main/ruby/core/hash.rb b/truffle/src/main/ruby/core/hash.rb
@@ -431,6 +431,13 @@ def to_hash
     self
   end
 
+  def to_proc
+    Proc.new do |key=undefined|
+      raise ArgumentError, "wrong number of arguments (given 0, expected 1)" if undefined.equal?(key)
+      self[key]
+    end
+  end
+
   # Implementation of a fundamental Rubinius method that allows their Hash
   # implementation to work. We probably want to remove uses of this in the long
   # term, as it creates objects which already exist for them and we have to