Objective-C Quick Syntax Reference by Matthew Campbell

Author:Matthew Campbell
Language: eng
Format: epub, mobi, pdf
ISBN: 9781430264873
Publisher: Apress

Method Forward Declarations

Methods also need forward declarations. While properties describe an object, methods represent actions that an object can take. Here is how you would add a forward declaration to the Project class:

#import <Foundation/Foundation.h>

@interface Project : NSObject

@property(strong) NSString *name;

-(void)generateReport;

@end

Method forward declarations start with the minus sign followed by the return type in parenthesis. This method has a void return type, but you can have any datatype or class as a return type for a method.

After that is the method’s signature, which I will talk more about once you see a method that includes parameters. Here is an example of a method that includes parameters:

#import <Foundation/Foundation.h>

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