Golang is beautiful and here's an example of its well-designed

Golang is beautiful and here’s an example of its well-designed method interface ⚡

To shuffle an array (slice) there is an inbuilt function named Shuffle. Counter-intuitively, the function does not require us to pass the array as an argument 🤔

Instead, it expects us to pass the length of the array and a swapping function, that the caller needs to write. The function should swap two values given their indexes.

⚡ Why is this amazing?

1. the ownership of the object remains with the caller
2. no dangling reference, and hence no memory leaks
3. the caller can choose to shuffle the array of any type
4. no overhead of abstractions like generics/templates/reflections

One of the main reasons why I prefer Golang over any and every language; it is just so elegant ⚡

I keep writing and sharing these engineering nuggets, so if you are keen on learning them, follow along.

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