﻿Range(3)
Range(3, 10)
Range(3, 10, 2)
Range(10, 3, -2)
Range(3)->Count()
Range(3)->Count(it > 5)

Null(Range(3))->Count()
Null(Range(3))->Count(it > 5)

Sequence(10)
Sequence(10, 3, 5)
Sequence(10, 3.5)
