API Collection
SetAlgebra Implementations
Topics
Instance Methods
func contains(Data.WritingOptions) -> Boolfunc formIntersection(Data.WritingOptions)func formSymmetricDifference(Data.WritingOptions)func formUnion(Data.WritingOptions)func insert(Data.WritingOptions) -> (inserted: Bool, memberAfterInsert: Data.WritingOptions)func isSubset(of: Data.WritingOptions) -> Boolfunc remove(Data.WritingOptions) -> Data.WritingOptions?