func parseClosedIntRange(from str: String) -> ClosedRange<Int>?
s5Utils19parseClosedIntRange4fromSNySiGSgSS_tF
5CLXP
import Utils
@frozen struct String
A Unicode string value that is a collection of characters.
@frozen struct ClosedRange<Bound> where Bound : Comparable
An interval from a lower bound up to, and including, an upper bound.
@frozen struct Int
A signed integer value type.