CODEWITHSUNDEEP
swiftgenerics
Ringo_D
Ringo_D

Reputation: 804

Class Inherits Its Generic In Swift

In C++, I can implement it like this.

template<typename MyType>
class MyClass : public MyType
{    
};

Is it possible to do so in Swift?

///Compiler error: Inheritance from non-procotol, non-class type 'T'
class MyClass<MyGeneric> : MyGeneric
{
}

Upvotes: 0

Views: 69

Answers (1)

Alain T.
Alain T.

Reputation: 42129

You have to use your class as a constraint. The way you wrote it makes MyGeneric a placeholder name (and not a reference to the class with the same name):

class MyClass<T:MyGenericClass>:MyGenericClass
{}

This is assuming that what you're trying to get is something like this:

class MyGenericSubClass: MyGenericClass {}

let c = MyClass<MyGenericSubClass>()

Upvotes: 1

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