Invoke a method using a tuple as the parameter list [duplicate]

Answer 1

The most common way to cleanly unpack anything is with patterns or for-comprehensions:

for ((a,b) <- (x zip y); c <- baz(a,b)) yield(c)

Answer 2

This question has already been answered here: scala tuple unpacking

First, make foo to a function by partial application, then call tupled with your parameter list:

(foo _).tupled(myTuple)