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Iterators and its usage in ruby

In Ruby, iterators are methods basically used by the collections. Collections are a set of objects. Hashes & Arrays are the example of collections. Iteration is a process by which we can get or set the elements in collections. We will discuss...

using return keyword within a Ruby block

As we all know,Ruby Blocks and Ruby Methods work in tandem and the output/value of the last line/expression being executed by the block is returned to the associated method . Have a look at this example: 2.1.5 :006 > def demo 2.1.5 :0...

Ruby Blocks

As we all know,Ruby Blocks and Ruby Methods work in tandem as clearly elucidated by the below example: def demo_method yield "hello" end demo_method { |block_argument| "#{block_argument}!! our first ruby blog"}   here, the ...

each, collect and map in ruby

1> 'each' will loop through each element of the array and evaluate whatever is return inside the block, but it returns the original array without any change. a = [5,10,15,20] => [5, 10, 15, 20] a.each {|t| t+2} => [5, 10, 15, 20...
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