CSC/ECE 517 Summer 2008/wiki1 2 i2

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The Question Ruby, like Java, has iterators to facilitate doing operations on each member of a set. Python has generators as well. Describe how generators differ from iterators, and find examples of code sequences using generators that would be awkward with iterators. [edit] Understanding of the question What is an iterator? 

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What is Iterator? 

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Iterators ruby,java,python 

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Example Some code examples References 1. The Pragmatic Programmers - Programming Ruby 2. http://www.google.com/search?q=ruby+iterators&rls=com.microsoft:en-us&ie=UTF-8&oe=UTF-8&startIndex=&startPage=1 3. http://www.devarticles.com/c/a/Ruby-on-Rails/Iterators-in-Ruby/ 4. http://www.math.hokudai.ac.jp/~gotoken/ruby/ruby-uguide/uguide09.html

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