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@import Foundation; #include "add_darwin.h" @interface Adder : NSObject - (int)add:(int)num1 andNum2:(int)num2; @end @implementation Adder - (int)add:(int)num1 andNum2:(int)num2{ return num1 + num2; } @end int add(int a, int b) { Adder* adder = [[Adder alloc] init]; return [adder add:a andNum2:b]; }