metersPerSecond The meter per second unit of speed.
milesPerHour The miles per hour unit of speed.
knotsThe knots unit of speed.
Type Property
型プロパティ
kilometers
kilometersPerHour
The kilometers per hour unit of speed.
Availability 有効性
- iOS 10.0+
- iPadOS 10.0+
- macOS 10.12+
- Mac Catalyst 13.0+
- tvOS 10.0+
- watchOS 3.0+
Technology
- Foundation ファウンデーション
Declaration 宣言
@property(class, readonly, copy) NSUnitSpeed *kilometersPerHour;