in scala
trait Function4

`abstract trait` Function4 [-T1, -T2, -T3, -T4, +R]
  `extends` java.lang.Object
  `with` scala.ScalaObject

  Function with 4 parameters.

Def Summary
`abstract` | `def` apply (v1: T1, v2: T2, v3: T3, v4: T4) : R
`override` | `def` toString : java.lang.String

Def Detail

`abstract def` apply (v1: T1, v2: T2, v3: T3, v4: T4): R

`override def` toString : java.lang.String