In this article, I will describe Rust return type polymorphism (a.k.a. generic returns), a feature that I recently discovered and that I have been pretty intrigued about.
I am seeing this feature for the first time in a programming language and at first glance, it did seem like some sort of built-in compiler magic, available only in the standard library. In reality, it is a generalised feature that you can use in your own code every day.
Keep in mind that I am still quite a beginner with Rust, so my description might not be the most accurate but I will try to make a point on why I like this feature and how it works by using some examples. Hopefully, you will find this topic as interesting as I did!
Ok, enough chit chat, let’s get into it!
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