Example of the Scala aggregate function

Question

I have been looking and I cannot find an example or discussion of the aggregate function in Scala that I can understand. It seems pretty powerful.

Can t

Answer 1

The definition of aggregate in TraversableOnce source is:

def aggregate[B](z: B)(seqop: (B, A) => B, combop: (B, B) => B): B = 
  foldLeft(z)(seqop)

which is no different than a simple foldLeft. combop doesn't seem to be used anywhere. I am myself confused as to what the purpose of this method is.