Property wrapper in swift | Property wrapper vs Extension

*#SWIFTUI :- #PropertyWrapper in swift *
This video covers :
1. What is a property wrapper in Swift?
2. What is an Extension.
3. Property wrapper vs Extension
4. why we need to use property wrapper .
5. In which situation you have to use property wrapper and extension.
6. What limitations does the Property wrapper have?
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Git Hub Source Code - https://github.com/raj-engineer/SwiftPlayground
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*What is Property Wrapper in swift.*
Property wrappers were introduced in Swift 5.1 to allow users to add additional behavior to properties.

A property wrapper is a generic structure that encapsulates read and write access to the property and adds additional behavior to it

*What limitations does the wrapper have?*

Property wrappers come not without their price. They impose a number of restrictions :

1. Applying multiple wrappers to the property is not allowed. .
2. always need to defined with ‘@properWrapper’ and must have ‘wrappedValue’ property.
3. cannot be set as ‘lazy’, ‘weak’, ‘unowned’ or ‘@NSManaged’.
4. cannot be declared in protocol or extension.
5. cannot be overridden.
6. cannot have custom ‘get’ or ‘set’.
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Видео Property wrapper in swift | Property wrapper vs Extension канала Rajesh Sharma