std::swap_ranges

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Partitioning operations
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Sorting operations (on sorted ranges)
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Binary search operations (on sorted ranges)
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Defined in header <algorithm>
template< class ForwardIt1, class ForwardIt2 >
ForwardIt2 swap_ranges( ForwardIt1 first1, ForwardIt1 last1, ForwardIt2 first2 )
交易要素之间的范围[first1, last1)和另一范围，开始在first2.
Original:
Exchanges elements between range [first1, last1) and another range starting at first2.
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目录

[编辑] 参数

first1, last1 -
第一个范围的元素交换
Original:
the first range of elements to swap
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first2 -
年初第二交换的元素
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beginning of the second range of elements to swap
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Type requirements
-
ForwardIt1, ForwardIt2 must meet the requirements of ForwardIterator.
-
The types of dereferenced ForwardIt1 and ForwardIt2 must meet the requirements of Swappable

[编辑] 返回值

迭代器交换的范围内开始，first2过去的最后一个元素的元素.
Original:
Iterator to the element past the last element exchanged in the range beginning with first2.
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[编辑] 可能的实现

template<class ForwardIt1, class ForwardIt2>
ForwardIt1 swap_ranges(ForwardIt1 first1, 
                             ForwardIt1 last1, 
                             ForwardIt2 first2)
{
    while (first1 != last1) {
        std::iter_swap(first1++, first2++);
    }
    return first2;
}

[编辑] 为例

演示如何交换子范围从不同的容器
Original:
Demonstrates swapping of subranges from different containers
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#include <algorithm>
#include <list>
#include <vector>
#include <iostream>
int main()
{
    std::vector<int> v = {1, 2, 3, 4, 5};
    std::list<int> l = {-1, -2, -3, -4, -5};
 
    std::swap_ranges(v.begin(), v.begin()+3, l.begin());
 
    for(int n : v)
       std::cout << n << ' ';
    std::cout << '\n';
    for(int n : l)
       std::cout << n << ' ';
    std::cout << '\n';
}

Output: 

-1 -2 -3 4 5
1 2 3 -4 -5

[编辑] 复杂性

线性first和last之间的距离
Original:
linear in the distance between first and last
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[编辑] 另请参阅
掉期两个迭代器所指向的元素
Original:
swaps the elements pointed to by two iterators
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（函数模板） [edit]
掉期两个对象的值
Original:
swaps the values of two objects
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（函数模板） [edit]
来自“http://zh.cppreference.com/mwiki/index.php?title=cpp/algorithm/swap_ranges&oldid=27676”