Uses of Interface com.annimon.stream.function.ToDoubleFunction (Lightweight-Stream-API 1.2.1 API)

Packages that use ToDoubleFunction
Package	Description
com.annimon.stream
com.annimon.stream.operator

Methods in com.annimon.stream with parameters of type ToDoubleFunction
Modifier and Type	Method and Description
`static <T> Collector<T,?,Double>`	Collectors.`averagingDouble(ToDoubleFunction<? super T> mapper)` Returns a `Collector` that calculates average of double-valued input elements.
`static <T> ComparatorCompat<T>`	ComparatorCompat.`comparingDouble(ToDoubleFunction<? super T> keyExtractor)` Returns a comparator that uses a function that extracts a `double` sort key to be compared.
`DoubleStream`	Stream.`mapToDouble(ToDoubleFunction<? super T> mapper)` Returns `DoubleStream` with elements that obtained by applying the given function.
`OptionalDouble`	Optional.`mapToDouble(ToDoubleFunction<? super T> mapper)` Invokes mapping function on inner value if present.
`static <T> Collector<T,?,Double>`	Collectors.`summingDouble(ToDoubleFunction<? super T> mapper)` Returns a `Collector` that summing double-valued input elements.
`ComparatorCompat<T>`	ComparatorCompat.`thenComparingDouble(ToDoubleFunction<? super T> keyExtractor)` Adds the comparator, that uses a function for extract a `double` sort key, to the chain.

Constructors in com.annimon.stream.operator with parameters of type ToDoubleFunction
Constructor and Description
`ObjMapToDouble(Iterator<? extends T> iterator, ToDoubleFunction<? super T> mapper)`

Uses of Interfacecom.annimon.stream.function.ToDoubleFunction