# Interface IntToDoubleFunction

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 IntToDoubleFunction
Represents a function that accepts an int-valued argument and produces a double-valued result. This is the `int`-to-`double` primitive specialization for `Function`.

This is a functional interface whose functional method is `applyAsDouble(int)`.

Since:
  1.8
See Also:
  - `Function`

## Method Summary

Modifier and Type
Method
Description
`double`
`applyAsDouble(int value)`
Applies this function to the given argument.

## Method Details

### applyAsDouble

double applyAsDouble(int value)
Applies this function to the given argument.

Parameters:
  `value` - the function argument
Returns:
  the function result