Add +

Makes an addition of it's arguments. Supports such types and their combinations: i64, I64, f64, F64, Timestamp.

> (+ 1 2)
3
> (+ 1.2 2.2)
3.4
> (+ 1 3.4)
4.4
> (+ [1 2 3] 3)
[4 5 6]
> (+ [1 2 3] 3.1)
[4.1 5.1 6.1]
> (+ 3.1 [1 2 3])
[4.1 5.1 6.1]