Web Reference: Returns the result of applying a reducer to an initial value and the first element of the Enumerable. It then takes the result and applies the function to it and the second element of the collection, and so on. Mar 20, 2014 · Enumerable is a mechanism to iterate a sequence of elements. For some of the iterate process, this may only perform once. In order to get the last element (if there is actually one), it must evaluate the whole iterate process and get the last one. After that, the Enumerable is invalid. Whether you are looking for a ruby enumerable cheat sheet or a deep dive into lazy enumerators and custom enumerable classes, this guide has you covered. Every Ruby developer should know these ruby enumerable methods inside and out.
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