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RegexPattern.Options.update(with:)

update(with:) ( with : Self.Element ) → Self.Element? method [source] ¶ method [source] ¶ update(with:)

Inserts the given element into the set.

If newMember is not contained in the set but subsumes current members of the set, the subsumed members are returned.

var options: ShippingOptions = [.secondDay, .priority] let replaced = options.update(with: .express) print(replaced == .secondDay) // Prints "true"

Returns: The intersection of [newMember] and the set if the intersection was nonempty; otherwise, nil.

0 declared, 0 inherited