std::ostream {aka std::basic_ostreamchar>}\u2019 and \u2018void\u2019...>::__ostream_type&) {aka std::basic_ostreamchar>& (*)(std::basic_ostreamchar>&)}\u2019 /usr/include...basic_ostreamchar>::__ios_type& (*)(std::basic_ostreamchar>::__ios_type&) {aka std::basic_ioschar>...char>; std::basic_ostream::__ostream_type = std::basic_ostreamchar>] operator...argument 1 from \u2018void\u2019 to \u2018std::basic_ostreamchar>::__streambuf_type* {aka std::basic_streambuf
std::ostream {aka std::basic_ostreamchar>}\u2019 and \u2018void\u2019...>::__ostream_type&) {aka std::basic_ostreamchar>& (*)(std::basic_ostreamchar>&)}\u2019 /usr/include...basic_ostreamchar>::__ios_type& (*)(std::basic_ostreamchar>::__ios_type&) {aka std::basic_ioschar>...argument 1 from \u2018void\u2019 to \u2018std::basic_ostreamchar>::__streambuf_type* {aka std::basic_streambuf...class _Traits> std::basic_ostreamchar, _Traits>& std::operatorstd::basic_ostreamchar, _Traits>&,
std::ostream' {aka 'std::basic_ostreamchar>'} and 'Foo') 13 | std::cout std::...::ostream {aka std::basic_ostreamchar>} In file included from /usr/local/Cellar/gcc/13.2.0/include/c...:110:7: note: candidate: 'std::basic_ostream::__ostream_type& std::basic_ostream::operatorostream_type& (*)(__ostream_type&)) [with _CharT = char; _Traits = std::char_traits...char>; __ostream_type = std::basic_ostreamchar>]' 110 | operatorostream_type& (*__pf)(
查找ostream类的定义，发现其实是另一个类模板实例化之后生成的模板类，即： typedef basic_ostreamchar, char_traitschar> > ostream; 所以，实际上应该在类模板...basic_ostream中查找operatorostream中查找basic_ostream的定义，发现其中operator<<作为成员函数被重载了17次，其中的一种： typedef basic_ostreamoperatorostream& (*op)(ostream&)) { return (*op)(*this); } 这个重载正好与endl函数的申明相匹配，所以<<后面是可以跟着...<<()的重载形式： ostream& ostream::operatorostream& (*op)(ostream&)); 所以只要编写一个返回值为std::ostream&,接收一个类型为std
查找ostream类的定义，发现其实是另一个类模板实例化之后生成的模板类，即： typedef basic_ostreamchar, char_traitschar> > ostream; 所以，实际上应该在类模板...basic_ostream中查找operatorostream中查找basic_ostream的定义，发现其中operator<<作为成员函数被重载了17次，其中的一种： typedef basic_ostream匹配，所以<<后面是可以跟着endl 。...<<()的重载形式： ostream& ostream::operatorostream& (*op)(ostream&)); 所以只要编写一个返回值为std::ostream&,接收一个类型为std
> >& std::operatorstd::char_traitschar> >(std::basic_ostreamchar, std::char_traitschar> >&, char...from: _main in ccLTUBHJ.o "std::basic_ostreamchar, std::char_traitschar> >::operatorstd...::basic_ostreamchar, std::char_traitschar> >& (*)(std::basic_ostreamchar, std::char_traitschar> >...:basic_ostreamchar, std::char_traitschar> >& std::operatorstd::char_traitschar> >(std::basic_ostream...ostream::operatorstd::ostream& (*)(std::ostream&))", referenced from: _main in cc-IeV9O1.o ld
: template inline basic_ostream& operator basic_ostream& __os...os, __str.data(), __str.size()); } // 类basic_ostream的成员函数 // std::cout为名字空间std中的类basic_ostream的一个实例...() { A a(1,2); std::cout << a; return 0; }; 类basic_ostream没有成员函数“operator <<(const...A&)”， 也不存在全局的： operator ostream&, const A&) 而只有左操作数是自己时才会调用成员重载操作符， 都不符合，所以语法错误。...有两种修改方式： 1) 将“std::cout operator std::cout)”， 2) 或定义全局的： std::ostream& operatorstd
>::~promise() Undefined symbol: std::__1::basic_ostreamchar, std::__1::char_traitschar> >::operator...char, std::__1::char_traitschar> >::operator<<(bool) Undefined symbol: std::__1::basic_ostreamchar...condition_variable() Undefined symbol: std::__1::basic_ostreamchar, std::__1::char_traitschar> >::operator...char> >::operator<<(unsigned int) Undefined symbol: std::__1::basic_ostreamchar, std::__1::char_traits...char> >::~basic_ostream() Undefined symbol: std::__1::basic_streambufchar, std::__1::char_traitschar
::cout' main.i:(.text+0xf): undefined reference to `std::basic_ostreamchar, std::char_traitschar> >...& std::operatorstd::char_traitschar> >(std::basic_ostreamchar, std::char_traitschar> >&, char...const*)' main.i:(.text+0x14): undefined reference to `std::basic_ostreamchar, std::char_traitschar>...>& std::endlchar, std::char_traitschar> >(std::basic_ostreamchar, std::char_traitschar> >&)' main.i...:(.text+0x1c): undefined reference to `std::ostream::operatorstd::ostream& (*)(std::ostream&))' main.o
(basic_iostream&) { } basic_ostream(const basic_ostream&) = delete; basic_ostream.../swap basic_ostream& operator=(const basic_ostream&) = delete; basic_ostream& operator...ostream类与istream类一样，它的的拷贝构造函数和赋值函数也都是保护类型的，所以ostream是不允许拷贝或者赋值的，所以它也不能直接作为返回类型和参数传递，很多时候需要使用引用来进行传递。...M_insert(__n); } __ostream_type& operator<<(short __n); __ostream_type& operator...3.put函数 ostream头文件中put函数原型如下： //往缓冲区中插入一个字符 __ostream_type& put(char_type __c); put
1.ostream_iterator template <class _Tp, class _CharT = char, class _Traits = char_traits... > class ostream_iterator { public: typedef _CharT char_type;...typedef _Traits traits_type; typedef basic_ostream ostream_type...& operator*() { return *this; } ostream_iterator& operator++() { return *this; } ostream_iterator...本站仅提供信息存储空间服务，不拥有所有权，不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容， 请发送邮件至 举报，一经查实，本站将立刻删除。
::ostream::operator<<(int) U std::ostream::operatorstd::ostream& (*)(std::ostream...U std::cout U std::basic_ostreamchar, std::char_traitschar> >& std::endlchar, std...::char_traitschar> >(std::basic_ostreamchar, std::char_traitschar> >&) 0000000000000004 b std::__ioinit...U std::basic_ostreamchar, std::char_traitschar> >& std::operatorstd::char_traits...char> >(std::basic_ostreamchar, std::char_traitschar> >&, char const*) 使用-C选项将符号解码成可读形式，从test.o的输出结果可以看出
代码如下： #include #include #include using namespace std; int main(){...0; } 当需要输出时，自己试着敲入： cout << scores << endl; 发现程序报错: error: invalid operands to binary expression ('ostream...' (aka 'basic_ostreamchar>') and 'vector') 发现是类型问题，所以重新定义一下scores类型，使用范围for语句： for...<< " "; cout << endl; 改为： #include #include #include using namespace std
T> ostream& operatorostream& out, Student& s) { out basic_ostreamchar,struct std::char_traitschar> > & __cdecl operatorstd::basic_ostreamchar...,struct std::char_traitschar> > &,class Student &)" (??...$basic_ostream@DU?$char_traits@D@std@@@std@@AAV01@AAV?...; // Student 类的友元函数 // 左移运算符重载 函数 template ostream& operatorostream& out, Student
std::allocatorchar> >::operator=(char const *)) 在函数 "public: virtual char const * __thiscall boost:...::basic_ostreamchar,struct std::char_traitschar> > & __thiscall std::basic_ostreamchar,struct std:...:char_traitschar> >::operatorostream@DU?...char> >::operator+=(char const *)" (__imp_??
，_Dest是back_insert_iterator 类型，而判断_First 和 _Last 是否相等，其实 operator !...= 里面是判断它们的成员指针_Myistr 是否相等，在_Getval 函数可以看到，当我们输入错误（类型不匹配）或者ctrl+z， 则 istream_iterator(cin) 的_Myistr...再来看ostream_iterator 的源码： // TEMPLATE CLASS ostream_iterator template<class _Ty, class _Elem = char... _Traits traits_type; typedef basic_ostream ostream_type; #if _SECURE_SCL typedef...代码，此时_First 和 _Last 分别是v.begin() 和 v.end()，_Dest是 ostream_iterator 类型，*_Dest 返回自身，++_Dest 也返回自身
::ostream::operatorstd::ostream& (*)(std::ostream&))@@GLIBCXX_3.4 U std::ios_base...U std::cout@@GLIBCXX_3.4 U std::basic_ostreamchar, std::char_traitschar> >& std::endl...char, std::char_traitschar> >(std::basic_ostreamchar, std::char_traitschar> >&)@@GLIBCXX_3.4 00000000000009ed...r std::piecewise_construct 0000000000201041 b std::__ioinit U std::basic_ostreamchar..., std::char_traitschar> >& std::operatorstd::char_traitschar> >(std::basic_ostreamchar, std::char_traits
; template class Student { // 左移运算符重载 friend ostream& operator (ostream& out, Student...::basic_ostreamchar,struct std::char_traitschar> > & __cdecl std::std::basic_ostreamchar,...struct std::char_traitschar> > &,class Student &)" (?...std@@YAAAV?$basic_ostream@DU?$char_traits@D@std@@@1@AAV21@AAV?...; template class Student { // 左移运算符重载 friend ostream& operator (ostream& out, Student
::cout (013F6B30C8h)] 000000013F6B102A call std::operatorstd::char_traitschar> > (013F6B1080h...char> > (013F6B1250h)] 000000013F6B1039 call qword ptr [__imp_std::basic_ostreamchar,std:...lea rdx,[std::endlchar,std::char_traitschar> > (013F6B1250h)] 000000013F6B105D call...qword ptr [__imp_std::basic_ostreamchar,std::char_traitschar> >::operator<< (013F6B3080h)] 000000013F6B1063...()的重载版本，默认实现版本如下： void operator delete (void*, void*) noexcept { } 默认placement delete()的额外参数是void*，为空实现
std::is_pointer::value>::type _value_output_stream(std::basic_ostream& stream,..._value_output_stream(std::basic_ostream& stream, const T& value) { // 为 null的指针输出...::char_traits, typename AL = std::allocator> void _sm_log_output(std::basic_ostream...std::basic_ostream& stream, const char* file, int line, const std::basic_string& format...typename ...Args> void sm_log(std::basic_ostream& stream, const char* file, int line
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