ArrayBuilder @_functionBuilder enum ArrayBuilder<Element> Undocumented Result Undocumented Declaration Swift typealias Result = [Element] buildExpression(_:) Undocumented Declaration Swift public static func buildExpression(_ element: Element) -> Result buildExpression(_:) Undocumented Declaration Swift public static func buildExpression(_ elementArray: [Element]) -> Result buildBlock(_:) Undocumented Declaration Swift public static func buildBlock(_ elements: Result...) -> Result buildIf(_:) Undocumented Declaration Swift public static func buildIf(_ elements: Result?) -> Result buildEither(first:) Undocumented Declaration Swift public static func buildEither(first elements: Result) -> Result buildEither(second:) Undocumented Declaration Swift public static func buildEither(second elements: Result) -> Result