Optional specifier to be used for pointer type declarations

Applies to:

• Xcode Extension
• Finder Extension
• Advanced Project Converter
• Offline Converter

Included in plans:

• Cloud
• Offline Converter

Scope

This conversion option currently affects the optionality of the following:

• Method parameters
• Return types
• Properties
• Fields
• Global variables
• Local variables

Overview

With this conversion option, you can now treat pointer-type method parameters, return types, and properties as either:

1. Optional (?): Swiftify defaults to treating pointer-type parameters and return types as optional.

2. Implicitly Unwrapped Optional (!): If you check the Swift interface for an Objective-C header file you'll find that Xcode imports Objective-C pointer type parameters and return values as implicitly unwrapped optionals in Swift. 

3. Non-optional: Selecting this option reduces the number of optional unwrappings in the generated Swift code. If your code is wrapped between NS_ASSUME_NONNULL_BEGIN and NS_ASSUME_NONNULL_END macros or for pointers marked as _Nonnull or nonnull the converter output will be similar to the case if Non-optional was selected.

Objective-C code:

Converted Swift code with Optional mode selected:

Converted Swift code with Implicitly Unwrapped Optional mode selected:

Converted Swift code with Non-optional mode selected:

To toggle this feature open Preferences (⌘+,) => Converter and choose from the available options: