Scala function signature: What does (p: (T, B) ⇒ Boolean) mean?

Question

During reading Scala documentation i confused with some functions signature:

def corresponds[B](that: GenSeq[B])(p: (T, B) ⇒ Boolean): Boolean 

So, what does exactly this mean?

(p: (T, B) ⇒ Boolean)

Answer 1

It means p is a function taking two arguments of type T and B and returning Boolean.