Discussion 議論
Every distinct value of the conforming type has a corresponding unique value of the Raw
type, but there may be values of the Raw
type that don’t have a corresponding value of the conforming type.
Availability 有効性
Technology
typealias RawValue = UInt
Every distinct value of the conforming type has a corresponding unique value of the Raw
type, but there may be values of the Raw
type that don’t have a corresponding value of the conforming type.