Uses of Interface java.util.function.DoubleToIntFunction (Java SE 9 & JDK 9 )

## Uses of Interface
java.util.function.DoubleToIntFunction

- Packages that use DoubleToIntFunction
  Package | Description
  --- | ---
  java.util.stream | Classes to support functional-style operations on streams of elements, such as map-reduce transformations on collections.

- - ### Uses of DoubleToIntFunction in java.util.stream

    Methods in java.util.stream with parameters of type DoubleToIntFunction
    Modifier and Type | Method | Description
    --- | --- | ---
    `IntStream` | DoubleStream.`mapToInt​(DoubleToIntFunction mapper)` | Returns an `IntStream` consisting of the results of applying the given function to the elements of this stream.