Private scoping with square brackets (private[…]) in Scala

Question

I\'ve come across the following syntax while looking through the Gatling source code:

private[http] def build = {
  // ...
}

What is the sy

Answer 1

In short: this is used for scope protection:

• private[C] means that access is private "up to" C, where C is the corresponding package, class or singleton object.

Same to protected[C]

• protected[C]: access is protected "up to" C, where C is the corresponding package, class or singleton object.