[Objective-C] シンプルなクラス

main.m

#import <Foundation/Foundation.h>
#import "Simple.h"

int main (int argc, const char * argv[]) {
	NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];

	Simple * simple = [[Simple alloc] init];
	[simple add:5];
	[simple add:5 second:5];
	int result = [simple get];
	NSLog(@"%d", result); // 20
	
	[pool drain];
	return 0;
}

Simple.h

#import <Foundation/Foundation.h>


@interface Simple : NSObject {
	int offset;
}
-(id)init;
-(void)add:(int)plus;
-(void)add:(int)plus second:(int)_second;
-(int)get;

@end

Simple.m

#import "Simple.h"


@implementation Simple
-(id)init {
	self = [super init];
	if (self != nil) {
		offset = 5;
	}
	return self;
}
-(void)add:(int)plus {
	offset += plus;
}
-(void)add:(int)plus second:(int)_second {
	offset += plus;
	offset += _second;
}
-(int)get {
	return offset;
}
@end