Returns a half-open range that contains its lower bound but not its upper bound.
- Xcode 9.3+
- Swift Standard Library
The lower bound for the range.
The upper bound for the range.
Use the half-open range operator (
..<) to create a range of any type that conforms to the
Comparable protocol. This example creates a
Range<Double> from zero up to, but not including, 5.0.