Type Erasure News Today

What is a bridge method and why does the compiler create it? Find out more in this article as we take a look at Java Generics.

Approaches to Type Erasure in Swift Protocols bring a lot of power and flexibility to our code. Some might say that this is the most important feature of Swift, especially since Apple described it as “Protocol oriented programming language”. But every once in a while, things don’t work as expected using protocols, and we encounter the following compilation error: Protocol ‘X’ can only be used as a generic constraint because it has Self or associated type requirements :oops: In this a...

15 Apr 2021 | 3 min read You have heard about Type Erasure of C++. You probably know std::function is a classic usage of the pattern. But what is Type Erasure in C++? Its effectively trying to achieve Duck Typing, which is common in languages like Python. # Notice that theres no relationship between Bar1 or Bar2 class Bar1: def doSomething(): print("bar1") class Bar2: def doSomething(): print("bar2") def foo(bar): # works on _any_ bar that has `doSomething()` defined bar.doSome...