does this ```typealias Visitor<T> = (TreeNode<T>) -> Unit``` mean, “any function that...

# getting-started

[oday]

does this

typealias Visitor<T> = (TreeNode<T>) -> Unit

mean, “any function that takes TreeNode<T> and return Unit can now be referred to as Visitor<T>?

so instead of writing

fun search(printResult: (TreeNode<T>) -> Unit)

I write fun search(visit: Visitor<T>)

[Dave K]

Yes and the compiler will replace the Visitor<T> with the correct type. It doesn’t create a new type just a simpler short hand for your code. https://kotlinlang.org/docs/type-aliases.html

[Dave K]

You’d be able to write both ways