Examples of using Objective-c in English and their translations into Portuguese
{-}
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Colloquial
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Official
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Medicine
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Financial
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Ecclesiastic
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Ecclesiastic
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Computer
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Official/political
Well, while Objective-C might have been quite different
Another difference with Objective-C is that Swift doesn't distinguish between instance variables(ivars) and properties. An instance variable is a property.
Even though Swift and Objective-C don't provide support for multiple inheritance,
Objective-C categories are a convenient way to add extra methods to existing classes without the need for subclassing.
Objective-C works great with reverse engineering
Objective-C is lacking some of these things like a clean syntax(and Syntactic sugar)
Protocol extensions now allow existing protocols to adopt new methods in a similar way to Objective-C categories, allowing for greater flexibility in the way programs are written.
can co-exist with existing Objective-C applications and libraries.
Because of this key difference, you always need to be careful when interacting with Objective-C APIs in Swift.
This example should look familiar if you have spent some time with Swift… or Objective-C.
is how to interact with Objective-C APIs.
instead of having to write them in Objective-C.
The project template doesn't differ much from a project created with Objective-C as the programming language.
SharedInstance You may be wondering why we don't use the dispatch_once function like we did in the Objective-C implementation.
C, Objective-C, COBOL, Java,
A compiled Objective-C executable, for example,
Objective-C is a thin layer atop C, and is a"strict superset" of C,
Swift introduces true named parameters and retains key Objective-C concepts, including protocols,
The correct way to translate the above Objective-C snippet to Swift is by making sure the condition of the if statement evaluates to true
highlighted a few key differences with Objective-C.