```
public final class Functions
extends Object
```
Utilities related to the construction of functions.

Author:

Lukas Eder

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static <T1,R> @NotNull Function1<T1,R>`	`nullOnAllNull(Function1<? super T1,? extends R> function)`	A function that short circuits the argument function returning `null` if all arguments are `null`.
`static <T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,R> @NotNull Function10<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,R>`	`nullOnAllNull(Function10<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? super T9,? super T10,? extends R> function)`	A function that short circuits the argument function returning `null` if all arguments are `null`.
`static <T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,R> @NotNull Function11<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,R>`	`nullOnAllNull(Function11<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? super T9,? super T10,? super T11,? extends R> function)`	A function that short circuits the argument function returning `null` if all arguments are `null`.
`static <T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,R> @NotNull Function12<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,R>`	`nullOnAllNull(Function12<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? super T9,? super T10,? super T11,? super T12,? extends R> function)`	A function that short circuits the argument function returning `null` if all arguments are `null`.
`static <T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,R> @NotNull Function13<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,R>`	`nullOnAllNull(Function13<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? super T9,? super T10,? super T11,? super T12,? super T13,? extends R> function)`	A function that short circuits the argument function returning `null` if all arguments are `null`.
`static <T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,R> @NotNull Function14<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,R>`	`nullOnAllNull(Function14<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? super T9,? super T10,? super T11,? super T12,? super T13,? super T14,? extends R> function)`	A function that short circuits the argument function returning `null` if all arguments are `null`.
`static <T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,R> @NotNull Function15<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,R>`	`nullOnAllNull(Function15<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? super T9,? super T10,? super T11,? super T12,? super T13,? super T14,? super T15,? extends R> function)`	A function that short circuits the argument function returning `null` if all arguments are `null`.
`static <T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,R> @NotNull Function16<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,R>`	`nullOnAllNull(Function16<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? super T9,? super T10,? super T11,? super T12,? super T13,? super T14,? super T15,? super T16,? extends R> function)`	A function that short circuits the argument function returning `null` if all arguments are `null`.
`static <T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17,R> @NotNull Function17<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17,R>`	`nullOnAllNull(Function17<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? super T9,? super T10,? super T11,? super T12,? super T13,? super T14,? super T15,? super T16,? super T17,? extends R> function)`	A function that short circuits the argument function returning `null` if all arguments are `null`.
`static <T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17,T18,R> @NotNull Function18<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17,T18,R>`	`nullOnAllNull(Function18<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? super T9,? super T10,? super T11,? super T12,? super T13,? super T14,? super T15,? super T16,? super T17,? super T18,? extends R> function)`	A function that short circuits the argument function returning `null` if all arguments are `null`.
`static <T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17,T18,T19,R> @NotNull Function19<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17,T18,T19,R>`	`nullOnAllNull(Function19<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? super T9,? super T10,? super T11,? super T12,? super T13,? super T14,? super T15,? super T16,? super T17,? super T18,? super T19,? extends R> function)`	A function that short circuits the argument function returning `null` if all arguments are `null`.
`static <T1,T2,R> @NotNull Function2<T1,T2,R>`	`nullOnAllNull(Function2<? super T1,? super T2,? extends R> function)`	A function that short circuits the argument function returning `null` if all arguments are `null`.
`static <T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17,T18,T19,T20,R> @NotNull Function20<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17,T18,T19,T20,R>`	`nullOnAllNull(Function20<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? super T9,? super T10,? super T11,? super T12,? super T13,? super T14,? super T15,? super T16,? super T17,? super T18,? super T19,? super T20,? extends R> function)`	A function that short circuits the argument function returning `null` if all arguments are `null`.
`static <T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17,T18,T19,T20,T21,R> @NotNull Function21<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17,T18,T19,T20,T21,R>`	`nullOnAllNull(Function21<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? super T9,? super T10,? super T11,? super T12,? super T13,? super T14,? super T15,? super T16,? super T17,? super T18,? super T19,? super T20,? super T21,? extends R> function)`	A function that short circuits the argument function returning `null` if all arguments are `null`.
`static <T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17,T18,T19,T20,T21,T22,R> @NotNull Function22<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17,T18,T19,T20,T21,T22,R>`	`nullOnAllNull(Function22<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? super T9,? super T10,? super T11,? super T12,? super T13,? super T14,? super T15,? super T16,? super T17,? super T18,? super T19,? super T20,? super T21,? super T22,? extends R> function)`	A function that short circuits the argument function returning `null` if all arguments are `null`.
`static <T1,T2,T3,R> @NotNull Function3<T1,T2,T3,R>`	`nullOnAllNull(Function3<? super T1,? super T2,? super T3,? extends R> function)`	A function that short circuits the argument function returning `null` if all arguments are `null`.
`static <T1,T2,T3,T4,R> @NotNull Function4<T1,T2,T3,T4,R>`	`nullOnAllNull(Function4<? super T1,? super T2,? super T3,? super T4,? extends R> function)`	A function that short circuits the argument function returning `null` if all arguments are `null`.
`static <T1,T2,T3,T4,T5,R> @NotNull Function5<T1,T2,T3,T4,T5,R>`	`nullOnAllNull(Function5<? super T1,? super T2,? super T3,? super T4,? super T5,? extends R> function)`	A function that short circuits the argument function returning `null` if all arguments are `null`.
`static <T1,T2,T3,T4,T5,T6,R> @NotNull Function6<T1,T2,T3,T4,T5,T6,R>`	`nullOnAllNull(Function6<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? extends R> function)`	A function that short circuits the argument function returning `null` if all arguments are `null`.
`static <T1,T2,T3,T4,T5,T6,T7,R> @NotNull Function7<T1,T2,T3,T4,T5,T6,T7,R>`	`nullOnAllNull(Function7<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? extends R> function)`	A function that short circuits the argument function returning `null` if all arguments are `null`.
`static <T1,T2,T3,T4,T5,T6,T7,T8,R> @NotNull Function8<T1,T2,T3,T4,T5,T6,T7,T8,R>`	`nullOnAllNull(Function8<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? extends R> function)`	A function that short circuits the argument function returning `null` if all arguments are `null`.
`static <T1,T2,T3,T4,T5,T6,T7,T8,T9,R> @NotNull Function9<T1,T2,T3,T4,T5,T6,T7,T8,T9,R>`	`nullOnAllNull(Function9<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? super T9,? extends R> function)`	A function that short circuits the argument function returning `null` if all arguments are `null`.
`static <T1,R> @NotNull Function1<T1,R>`	`nullOnAnyNull(Function1<? super T1,? extends R> function)`	A function that short circuits the argument function returning `null` if any argument is `null`.
`static <T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,R> @NotNull Function10<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,R>`	`nullOnAnyNull(Function10<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? super T9,? super T10,? extends R> function)`	A function that short circuits the argument function returning `null` if any argument is `null`.
`static <T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,R> @NotNull Function11<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,R>`	`nullOnAnyNull(Function11<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? super T9,? super T10,? super T11,? extends R> function)`	A function that short circuits the argument function returning `null` if any argument is `null`.
`static <T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,R> @NotNull Function12<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,R>`	`nullOnAnyNull(Function12<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? super T9,? super T10,? super T11,? super T12,? extends R> function)`	A function that short circuits the argument function returning `null` if any argument is `null`.
`static <T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,R> @NotNull Function13<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,R>`	`nullOnAnyNull(Function13<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? super T9,? super T10,? super T11,? super T12,? super T13,? extends R> function)`	A function that short circuits the argument function returning `null` if any argument is `null`.
`static <T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,R> @NotNull Function14<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,R>`	`nullOnAnyNull(Function14<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? super T9,? super T10,? super T11,? super T12,? super T13,? super T14,? extends R> function)`	A function that short circuits the argument function returning `null` if any argument is `null`.
`static <T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,R> @NotNull Function15<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,R>`	`nullOnAnyNull(Function15<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? super T9,? super T10,? super T11,? super T12,? super T13,? super T14,? super T15,? extends R> function)`	A function that short circuits the argument function returning `null` if any argument is `null`.
`static <T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,R> @NotNull Function16<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,R>`	`nullOnAnyNull(Function16<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? super T9,? super T10,? super T11,? super T12,? super T13,? super T14,? super T15,? super T16,? extends R> function)`	A function that short circuits the argument function returning `null` if any argument is `null`.
`static <T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17,R> @NotNull Function17<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17,R>`	`nullOnAnyNull(Function17<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? super T9,? super T10,? super T11,? super T12,? super T13,? super T14,? super T15,? super T16,? super T17,? extends R> function)`	A function that short circuits the argument function returning `null` if any argument is `null`.
`static <T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17,T18,R> @NotNull Function18<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17,T18,R>`	`nullOnAnyNull(Function18<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? super T9,? super T10,? super T11,? super T12,? super T13,? super T14,? super T15,? super T16,? super T17,? super T18,? extends R> function)`	A function that short circuits the argument function returning `null` if any argument is `null`.
`static <T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17,T18,T19,R> @NotNull Function19<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17,T18,T19,R>`	`nullOnAnyNull(Function19<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? super T9,? super T10,? super T11,? super T12,? super T13,? super T14,? super T15,? super T16,? super T17,? super T18,? super T19,? extends R> function)`	A function that short circuits the argument function returning `null` if any argument is `null`.
`static <T1,T2,R> @NotNull Function2<T1,T2,R>`	`nullOnAnyNull(Function2<? super T1,? super T2,? extends R> function)`	A function that short circuits the argument function returning `null` if any argument is `null`.
`static <T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17,T18,T19,T20,R> @NotNull Function20<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17,T18,T19,T20,R>`	`nullOnAnyNull(Function20<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? super T9,? super T10,? super T11,? super T12,? super T13,? super T14,? super T15,? super T16,? super T17,? super T18,? super T19,? super T20,? extends R> function)`	A function that short circuits the argument function returning `null` if any argument is `null`.
`static <T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17,T18,T19,T20,T21,R> @NotNull Function21<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17,T18,T19,T20,T21,R>`	`nullOnAnyNull(Function21<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? super T9,? super T10,? super T11,? super T12,? super T13,? super T14,? super T15,? super T16,? super T17,? super T18,? super T19,? super T20,? super T21,? extends R> function)`	A function that short circuits the argument function returning `null` if any argument is `null`.
`static <T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17,T18,T19,T20,T21,T22,R> @NotNull Function22<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11,T12,T13,T14,T15,T16,T17,T18,T19,T20,T21,T22,R>`	`nullOnAnyNull(Function22<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? super T9,? super T10,? super T11,? super T12,? super T13,? super T14,? super T15,? super T16,? super T17,? super T18,? super T19,? super T20,? super T21,? super T22,? extends R> function)`	A function that short circuits the argument function returning `null` if any argument is `null`.
`static <T1,T2,T3,R> @NotNull Function3<T1,T2,T3,R>`	`nullOnAnyNull(Function3<? super T1,? super T2,? super T3,? extends R> function)`	A function that short circuits the argument function returning `null` if any argument is `null`.
`static <T1,T2,T3,T4,R> @NotNull Function4<T1,T2,T3,T4,R>`	`nullOnAnyNull(Function4<? super T1,? super T2,? super T3,? super T4,? extends R> function)`	A function that short circuits the argument function returning `null` if any argument is `null`.
`static <T1,T2,T3,T4,T5,R> @NotNull Function5<T1,T2,T3,T4,T5,R>`	`nullOnAnyNull(Function5<? super T1,? super T2,? super T3,? super T4,? super T5,? extends R> function)`	A function that short circuits the argument function returning `null` if any argument is `null`.
`static <T1,T2,T3,T4,T5,T6,R> @NotNull Function6<T1,T2,T3,T4,T5,T6,R>`	`nullOnAnyNull(Function6<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? extends R> function)`	A function that short circuits the argument function returning `null` if any argument is `null`.
`static <T1,T2,T3,T4,T5,T6,T7,R> @NotNull Function7<T1,T2,T3,T4,T5,T6,T7,R>`	`nullOnAnyNull(Function7<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? extends R> function)`	A function that short circuits the argument function returning `null` if any argument is `null`.
`static <T1,T2,T3,T4,T5,T6,T7,T8,R> @NotNull Function8<T1,T2,T3,T4,T5,T6,T7,T8,R>`	`nullOnAnyNull(Function8<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? extends R> function)`	A function that short circuits the argument function returning `null` if any argument is `null`.
`static <T1,T2,T3,T4,T5,T6,T7,T8,T9,R> @NotNull Function9<T1,T2,T3,T4,T5,T6,T7,T8,T9,R>`	`nullOnAnyNull(Function9<? super T1,? super T2,? super T3,? super T4,? super T5,? super T6,? super T7,? super T8,? super T9,? extends R> function)`	A function that short circuits the argument function returning `null` if any argument is `null`.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait