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Currying Scala Vs Java

A quick contrast of currying using Java 8 and Scala.

Java 8

private static Function<Integer, Function<Integer, Integer>> add() {
    return x -> y -> x + y;
}
Function<Integer, Integer> add1 = add().apply(1);
int r = add1.apply(2)

Scala

val add1 = add(1)(_)
val r = add1(2)

def add(x : Int)(y : Int) = x + y

Alternatively,

val add1 = add(1)
val r = add1(2)

def add(x : Int) = (y : Int) => x + y

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One response to “Currying Scala Vs Java”

  1. Lurraine says:

    I cannot tell a lie, that really hedple.

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