std::basic_stringbuf<CharT,Traits,Allocator>:: operator=
From cppreference.net
<
cpp
|
io
|
basic stringbuf
|
std::
basic_stringbuf
&
operator
=
(
std::
basic_stringbuf
&&
rhs
)
;
|
(1) | (C++11 起) |
|
std::
basic_stringbuf
&
operator
=
(
const
std::
basic_stringbuf
&
rhs
)
=
delete
;
|
(2) | |
1)
移动赋值运算符:将
rhs
的内容移动至
*
this
。移动后,
*
this
将拥有
rhs
先前持有的关联字符串、打开模式、区域设置及所有其他状态。
std::basic_streambuf
在
*
this
中的六个指针保证与被移动的
rhs
中的对应指针不同(除非该指针为空)。
目录 |
参数
| rhs | - |
另一个将被移出的
basic_stringbuf
|
返回值
* this
示例
运行此代码
#include <iostream> #include <sstream> #include <string> int main() { std::istringstream one("one"); std::ostringstream two("two"); std::cout << "Before move, one = \"" << one.str() << '"' << " two = \"" << two.str() << "\"\n"; *one.rdbuf() = std::move(*two.rdbuf()); std::cout << "After move, one = \"" << one.str() << '"' << " two = \"" << two.str() << "\"\n"; }
输出:
Before move, one = "one" two = "two" After move, one = "two" two = ""
参见
构造
basic_stringbuf
对象
(公开成员函数) |