enum AirQualityEnum
The quality of the analyzed air.
-
The air quality is unknown.
Declaration
Swift
case unknown
-
The air quality is good.
Declaration
Swift
case good
-
The air quality is fair.
Declaration
Swift
case fair
-
The air quality is moderate.
Declaration
Swift
case moderate
-
The air quality is poor.
Declaration
Swift
case poor
-
The air quality is very poor.
Declaration
Swift
case veryPoor
-
The air quality is extremely poor.
Declaration
Swift
case extremelyPoor
-
Creates a new instance with the specified raw value.
If there is no value of the type that corresponds with the specified raw value, this initializer returns
nil
. For example:enum PaperSize: String { case A4, A5, Letter, Legal } print(PaperSize(rawValue: "Legal")) // Prints "Optional("PaperSize.Legal")" print(PaperSize(rawValue: "Tabloid")) // Prints "nil"
Declaration
Swift
init?(rawValue: UInt64)
Parameters
rawValue
The raw value to use for the new instance.