They say that a protocol is a method, but it’s different from a method. So exactly, what does it do and what is the difference between a method and a protocol?
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They say that a protocol is a method, but it’s different from a method. So exactly, what does it do and what is the difference between a method and a protocol?
In Objective-C each class has an interface, a list of method defenitions which that class implements, and an implementation, the source for each of those method defenitions.
A protocol is a list of method definitions. A class can support a protocol by implementing the methods it defines.