Module java.base
Package java.util.function

Interface DoubleToLongFunction

Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
@FunctionalInterface
public interface DoubleToLongFunction
Represents a function that accepts a double-valued argument and produces a long-valued result. This is the double-to-long primitive specialization for Function.

This is a functional interface whose functional method is applyAsLong(double).

Since:
1.8
See Also:
Function

  • Method Summary

    Modifier and Type Method Description
    long applyAsLong​(double value)
    Applies this function to the given argument.

  • Method Details

    • applyAsLong

      long applyAsLong​(double value)
      Applies this function to the given argument.
      Parameters:
      value - the function argument
      Returns:
      the function result