将C++类的实例转换为NSObject,然后添加到NSMutableArray

// MyCppClass.h
#import <Foundation/Foundation.h>

@interface MyCppClass : NSObject

@end

// MyCppClass.cpp
#include "MyCppClass.h"

@implementation MyCppClass

- (instancetype)init {
    self = [super init];
    if (self) {
        // 初始化您的C++类实例
    }
    return self;
}

- (void)dealloc {
    // 释放您的C++类实例
}

@end

// Main.m
#import "Main.h"
#import "MyCppClass.h"

@implementation Main

- (void)someMethod {
    MyCppClass *cppObject = [[MyCppClass alloc] init];
    [cppObject someMethod];
    
    // 将C++类的实例转换为NSObject
    MyCppClass *nsObject = (MyCppClass *)objc_object(cppObject);
    
    // 添加到NSMutableArray
    [myMutableArray addObject:nsObject];
}

@end