Attribute¶

Discardable Result¶

To ignore the return value or know the return value. You can eliminate underscore replacements when you're sure you won't be using the return value.

enum APIProvider {
    @discardableResult static func update(_ name: String) -> Result<User, Error> {
        // .. Handle API endpoint, example result:
        return .success(User(name: name))
    }
}

// Old Usage 
_ = APIProvider.update(name)

// New Usage
APIProvider.update(name)

discardableResult