小编use*_*795的帖子

try
{       
    if (isfull()==1)
        throw "full stack";
    else
        a[top++] = x;
}
catch (const char *s)
{
    cout<<s;
}

我们为什么要在catch块中使用const？如果我不使用它,我会收到此错误:

terminate called after throwing an instance of 'char const*'  
Aborted (core dumped)