curryFirst
Curry the first argument of a three-argument function.
Curry the first argument of a four-argument function.
Curry the first argument of a five-argument function.
fun <I1, I2, I3, I4, I5, I6, O> (I1, I2, I3, I4, I5, I6) -> O.curryFirst(): (I1) -> (I2, I3, I4, I5, I6) -> O
Curry the first argument of a six-argument function.