Instance Method (Default implementation)swift 6.0.3Swift
contains(_:)
Returns a Boolean value that indicates whether a given element is a member of the option set.
func contains(_ member: Self) -> Bool
Parameters
- member
The element to look for in the option set.
Returns
true
if the option set contains member
; otherwise, false
.
This example uses the contains(_:)
method to check whether next-day shipping is in the availableOptions
instance.
let availableOptions = ShippingOptions.express
if availableOptions.contains(.nextDay) {
print("Next day shipping available")
}
// Prints "Next day shipping available"