On Aug 16, 2014, at 6:32 AM, Gerriet M. Denkmann <[email protected]> wrote:
> How to translate into Swift:
>
> - (void)myFunctionWithClass: (Class)someClass
> {
> for(...)
> {
> p = ...
> if ( p is not special ) continue;
>
> id <MyProtocol> aClass = [[ someClass alloc] initWithParameter:
> p ];
> ... do something with aClass ...
> }
> }
>
> Assuming that someClass is costly to initialize and myFunctionWithClass does
> so only under certain circumstances.
> Or that myFunctionWithClass creates many instances of someClass.
>
> Assuming also, that there is an unlimited number of classes (all implementing
> MyProtocol).
>
> Which means that there is no way that the caller of myFunctionWithClass could
> create a someClass and pass it to the method.
>
> How to do this in Swift?
>
> Gerriet.
You can't. Swift does not have as many dynamic features as Objective-C.
Charles
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