Add `Hash#to_proc`; CRuby2.3

ce916b99 · Yukihiro "Matz" Matsumoto · b5dfbce7 · ce916b99
Commit ce916b99 authored Oct 18, 2017 by Yukihiro "Matz" Matsumoto
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mrbgems/mruby-hash-ext/mrblib/hash.rb mrbgems/mruby-hash-ext/mrblib/hash.rb +4 -0

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--- a/mrbgems/mruby-hash-ext/mrblib/hash.rb
+++ b/mrbgems/mruby-hash-ext/mrblib/hash.rb
@@ -475,6 +475,10 @@ class Hash
    self
  end

+  def to_proc
+    ->x{self[x]}
+  end
+
  ##
  # call-seq:
  #   hsh.fetch_values(key, ...)                 -> array