This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
public interface DoubleFunction<T>
extends java.util.function.ToDoubleFunction<T>, java.io.Serializable
DoubleFunction is a primitive Function which may be used to reduce the overhead
of autoboxing Double objects in places where primitive doubles could be used.
This file was automatically generated from template file primitiveFunction.stg.