Merge pull request #582 from kostya/find_index

enumerable#find_index
topazproject · Apr 9, 2013 · f97e8ca · f97e8ca
2 parents 860ba37 + 3e07903
commit f97e8ca
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diff --git a/lib-topaz/enumerable.rb b/lib-topaz/enumerable.rb
@@ -264,4 +264,12 @@ def group_by(&block)
     end
     h
   end
+
+  def find_index(obj = nil, &block)
+    return self.enum_for(:find_index) if !obj && !block
+    each_with_index do |e, i|
+      return i if obj ? (e == obj) : block.call(e)
+    end
+    nil
+  end
 end
diff --git a/spec/tags/core/enumerable/find_index_tags.txt b/spec/tags/core/enumerable/find_index_tags.txt