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method


http://apidock.com/ruby/Enumerable/each_with_index

each_with_index

Ruby latest stable (v1_8_7_72) - 0 notes - Class: Enumerable

• 1_8_6_287 (0)
• 1_8_7_72 (-38)
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• each_with_index
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= private
= protected

each_with_index() public

Calls block with two arguments, the item and its index, for each item in enum.

   <span class="ident">hash</span> <span class="punct">=</span> <span class="constant"><a href="http://apidock.com/ruby/Hash">Hash</a></span><span class="punct">.</span><span class="ident">new</span>
   <span class="punct">%w(</span><span class="string">cat dog wombat</span><span class="punct">).</span><span class="ident"><a href="http://apidock.com/ruby/Enumerable/each_with_index">each_with_index</a></span> <span class="punct">{|</span><span class="ident">item</span><span class="punct">,</span> <span class="ident">index</span><span class="punct">|</span>
     <span class="ident">hash</span><span class="punct">[</span><span class="ident">item</span><span class="punct">]</span> <span class="punct">=</span> <span class="ident">index</span>
   <span class="punct">}</span>
   <span class="ident">hash</span>   <span class="comment">#=> {"cat"=>0, "wombat"=>2, "dog"=>1}</span>