Returns a Boolean value that indicates whether a given element is a
member of the option set.
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"
- Parameter member: The element to look for in the option set.
- Returns: true if the option set contains member; otherwise,
false.
Returns a Boolean value that indicates whether a given element is a
member of the option set.
This example uses the
contains(_:)method to check whether next-dayshipping is in the
availableOptionsinstance.let availableOptions = ShippingOptions.express
if availableOptions.contains(.nextDay) {
print("Next day shipping available")
}
// Prints "Next day shipping available"
- Parameter member: The element to look for in the option set.
- Returns:
trueif the option set containsmember; otherwise,false.