rwatts07

Keybase proof

I hereby claim:

• I am rwatts07 on github.
• I am rtwatts07 (https://keybase.io/rtwatts07) on keybase.
• I have a public key ASANHNKWZB-YjVh1oh85sAsVVyGfFnZaray1CRsKidms3go

To claim this, I am signing this object:

rwatts07

Actor Based Concurrency

Why actors?

Problem: Shared mutable variables/state

One solution: Isolated Mutability

Threads/Locks

Lots of work writing/debugging the “plumbing” rather than application logic

Easy to create deadlock and hard to recover from

Another Solution: Actors

Originally from Erlang

Developed in 1986 by Joe Armstrong

rwatts07

  override lazy val password = new MappedPassword(this) {
    private def validatePassword(passwordText: String): List[FieldError] = {
      Password.validate(passwordText) match {
        case Password.Error.Length => List(FieldError(this, Text(S.??("Password too short"))))
        case Password.Error.Groups => List(FieldError(this, Text(S.??("Password must contain at least 3 different character classes"))))
        case _ => Nil
      }
    }

    override def validations = validatePassword _ :: super.validations