public final class SumOfLong extends Object implements Scalar<Long>
Here is how you can use it to summarize numbers:
long sum = new SumOfLongScalar(() -> 1,() -> 2, () -> 3).value();
This class implements Scalar
, which throws a checked
Exception
. Despite that this class does NOT throw a checked
exception.
There is no thread-safety guarantee.
@SafeVarargs public SumOfLong(Scalar<Long>... src)
src
- Varargs of Scalar to sum up values fromCopyright © 2017–2020 Cactoos. All rights reserved.