enum ChangeIndication
Describes the requirement to change the filter.
-
The filter condition is unspecified.
Declaration
Swift
case unspecified
-
The filter is in good condition and no intervention is required.
Declaration
Swift
case ok
-
The filter resource will soon be exhausted and intervention will be required.
Declaration
Swift
case warning
-
The filter resource has been exhausted and immediate intervention is required.
Declaration
Swift
case critical
-
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.