eta.scala

scala> class C
defined class C

scala> implicit val c = new C
c: C = C@33833882

scala> def foo(x: Int)(implicit c: C) = x + 1
foo: (x: Int)(implicit c: C)Int

scala> foo(3)
res0: Int = 4

scala> List(1, 2, 3).map(foo(_))
res1: List[Int] = List(2, 3, 4)

scala> List(1, 2, 3).map(foo)
res2: List[Int] = List(2, 3, 4)

scala> List(1, 2, 3).map(foo _)
res3: List[Int] = List(2, 3, 4)