Hey Guys,

I'm a bit unclear on this situation then.. 

If you create an Objective-C class "MyController" with methods and then a Ruby class "MyController" the class should combine all the methods between both correct?

For instance:

Objective-C Class:
#import "MyController.h"

@implementation MyController

- (void)helloWorld {
NSLog(@"hello world!");
}
@end

Ruby Class:
class MyController
end

Objective-C App Delegate Class:

#import "AppDelegate.h"
#import "MyController.h"

@implementation AppDelegate

- (void)applicationDidFinishLaunching:(NSNotification *)notification {
MyController *c = [[MyController alloc] init];
[c helloWorld];
}

@end

The behavior I'm expecting is to see "Hello world" in the console but it seems as if the entire Objective-C method was deleted. I don't have a method in the Ruby class called helloWorld.

Cheers,
Robert

On 12/02/2011, at 2:43 PM, Matt Aimonetti wrote:

Mark, your answer was great, I just wanted to make sure people reading the thread in the future get a simple answer.
You did a great job explaining why the answer was no and I'm sure it will be valuable to many.

- Matt

On Fri, Feb 11, 2011 at 5:35 PM, Mark Rada <mrada@marketcircle.com> wrote:
One day I'll get this question answering thing done correctly. 

Sent from my iDevice

On 2011-02-11, at 20:05, Matt Aimonetti <mattaimonetti@gmail.com> wrote:

Do MacRuby classes completely overwrite Objective-C classes if you load one in with the same class name?

Just to be clear, the answer is no ;)

- Matt

Sent from my iPhone

On Feb 11, 2011, at 17:00, Mark Rada <mrada@marketcircle.com> wrote:

Hi Robert,

Classes in ruby are open, which means that if you define it in multiple places, you get one class with things from all the definitions definitions.

However, if you define the same methods, then which ever method you define last is the one that will exist. There are also techniques for concatenating methods. 

If you want two classes with the same name two remain separate, consider using a module to create a namespace. 


Sent from my iDevice

On 2011-02-11, at 17:54, Robert Payne <robertpayne@me.com> wrote:

Hey All,

Do MacRuby classes completely overwrite Objective-C classes if you load one in with the same class name? I'm just testing the best way to communicate to a MacRuby class from an Objective-C class and wanted to make sure.

Robert Payne
Interactive Developer
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