Who here has actually used === on their code? Why did you use it? I personally have never needed to

===

is comparing reference quality right? never found a use or need

Using it when comparing object of sealed classes

Hmm that's actually a good use case

lot of times I use a

when

though

Yah. I mostly just use when as well

Also, objects are as well comparable via

is

in the tests?

Haha I don't write tests

When you're dealing with mutable data structures

===

is sometimes necessary to make sure you don't accidentally share an instance.