输出结果 [Error] passing 'const MyClass' as 'this' argument of 'int MyClass::getVal()' discards qualifiers [-fpermissive]
解释:integer与pointer比较 3、 warning: assignment discards qualifiers from pointer target type 解释:赋值时,取消了右值的限定。 4、 warning: passing argument 1 of ‘send’ makes pointer from integer without a cast 解释:函数send的第一个integer型参数没有强制转换为pointer型 5、warning: comparison is ...
这个例子中,加入set的StudentT对象都变成const对象了,那么调用getId等方法时只能调用其const版本,因为没有定义这个版本,因此编译器提示错误. 解决方法就是将getId和getName方法声明为const成员,即在函数末尾加上const关键字。
例如,以下程序有编译器错误: 输出: passing 'const Test' as 'this' argument of 'int Test::getValue()' discards qualifiers 让我们看另一个例子: 输出:Hello world I'm Rancho Baba Inside display() Function 以上。 每天学点小知识,希望对你有帮助~ 另外如果你想更好的提升你的编程能力,学好C语言C++...
G:\sourceCode\constTest\constTest\main.cpp|23|error: passing 'const Point3d' as 'this' argument of 'float Point3d::GetX()' discards qualifiers| discards qualifiers的意思是丢弃了限定符。可以这么理解,pd.GetX()操作时,由于pd是const对象,所以认为调用的GetX()是这样的: ...
frameworks/base/libs/utils/RefBase.cpp:483:67: error: passing ‘const android::RefBase::weakref_impl’ as ‘this’ argument of ‘void android::RefBase::weakref_impl::trackMe(bool, bool)’ discards qualifiers [-fpermissive] make: *** [out/host/linux-x86/obj/STATIC_LIBRARIES/libutils_intermedi...
问将coeffRef与const CwiseUnaryView一起使用-乘以两个CWiseUnaryViews时失败EN大家好晚上好，今天给大家...
因为一个自负的空间只能存放字符串的结束字符。P92也询问，在struct dirent中，数组d_name[]的长度在有...
SECURITY: Plug so-called high-risk vulnerability related to Powershell - avoid injection - don't send speech input as commandline argument UWP/XBOX: Add expanded resources Rescap to increase performance of UWP version in app mode on Xbox WINDOWS/INSTALLER: Add smarter isEmptyDir reference implemen...
') { typestr++; if (*p == '\0') { /* no remaining string: NULL argument */ break; } } len = strlen(p); if (len <= 0) { monitor_printf(mon, "%s: string expected\n", cmd->name); goto fail; } qdict_put(qdict, key, qstring_from_str(p)); p += len; } break; ...