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C

cast(Maybe<U>) - Static method in class cms.util.maybe.Maybe

Convert a Maybe<U> to a Maybe<T>, when T is a supertype of U.

cms.util.maybe - package cms.util.maybe

F

from(T) - Static method in class cms.util.maybe.Maybe

Create a Maybe from a possibly null value v.

fromOptional(Optional<T>) - Static method in class cms.util.maybe.Maybe

Create a Maybe from an Optional value.

G

get() - Method in class cms.util.maybe.Maybe

Returns the contained value, if present.

getOptional(Optional<T>) - Static method in class cms.util.maybe.Maybe

Get the value in an Optional, if present; otherwise throw the checked exception NoMaybeValue.

I

isPresent() - Method in class cms.util.maybe.Maybe

Returns whether a value is contained in this Maybe.

iterator() - Method in class cms.util.maybe.Maybe

Provide an iterator that yields either one T or none, depending.

M

Maybe<T> - Class in cms.util.maybe

An object that may contain a value of type T.

Maybe() - Constructor for class cms.util.maybe.Maybe

N

NoMaybeValue - Exception in cms.util.maybe

A checked exception that forces the programmer to handle the possibility of empty maybes.

NoMaybeValue() - Constructor for exception cms.util.maybe.NoMaybeValue

none() - Static method in class cms.util.maybe.Maybe

Returns an empty Maybe.

O

orElse(T) - Method in class cms.util.maybe.Maybe

Returns the contained value, if any; otherwise, returns other.

orElseGet(Supplier<T>) - Method in class cms.util.maybe.Maybe

Returns the contained value, if any; otherwise, returns other.get().

orElseMaybe(Supplier<Maybe<T>>) - Method in class cms.util.maybe.Maybe

Returns this if a value is contained; otherwise, returns other.get().

S

some(T) - Static method in class cms.util.maybe.Maybe

Creates a Maybe from a non-null argument.

T

theException - Static variable in exception cms.util.maybe.NoMaybeValue

then(Function<T, U>) - Method in class cms.util.maybe.Maybe

If a value v is present, returns a Maybe containing f(v), which must be non-null.

thenDo(Consumer<T>) - Method in class cms.util.maybe.Maybe

Call cons on the contained value, if any.

thenMaybe(Function<T, Maybe<U>>) - Method in class cms.util.maybe.Maybe

If a value v is present, returns f(v).

toOptional() - Method in class cms.util.maybe.Maybe

Create an Optional from a Maybe

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