??(_:_:) public func ??<T, R>(lhs: ParseResult<T, R>, rhs: @autoclosure () -> R) -> R Convenience operator overload to use fallback on fail. T Declaration Swift public func ??<T, R>(lhs: ParseResult<T, R>, rhs: @autoclosure () -> R) -> R © 2017 Benjamin Herzog. All rights reserved. (Last updated: 2017-10-22) Generated by jazzy ♪♫ v0.8.3, a Realm project.