Recursion

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Indirect enums - Swift 3.0

Enums are one of my favorite parts in any language. With Swift they've got extra functionality such as adding functions, associated values and Indirect Enums. So what are indirect enums? I have learned enums in other language, but never came across any language which offers similar functionality. At least not

Swift 3.0

Tail Recursion Optimization

Recently I came to know about amazing concept of tail recursion optimization. If you are a computer scientist, you must be knowing what recursion is. It is a function calling itself multiple times until certain edge condition is reached. When an edge condition is reached, it returns the result at