or
Returns the first present Optional from the given suppliers.
Emulates Java 9+ Optional.or() chaining with varargs support:
// Java 9+
Optional<T> result = opt1.or(() -> opt2).or(() -> opt3);
// Java 8 with Optionals
Optional<T> result = Optionals.or(() -> opt1, () -> opt2, () -> opt3);
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Suppliers are evaluated lazily with short-circuit evaluation.
Return
the first present Optional, or empty if all are empty
Parameters
<T>
the type of the value
suppliers
suppliers of Optionals to evaluate in order