As a good developer, we all want to write software with as few bugs as possible. In order to achieve the same, we add unit tests, integration tests, practice TDD (Test-Driven Development), BDD (Behaviour-Driven Development) and we keep exploring oppo...

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Covered a powerful concept in a very simple yet effective way.
Was really helpful, Thanks!
Sandeep Panda
co-founder, Hashnode
Hey Manivel, great piece. I am dabbling with swift once in a while and this is very helpful. I have also shared it with some of my friends. Thanks for writing and would love to read more from you.