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std::ranges::slide_view<V>:: slide_view

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C++
Ranges library
Range adaptors
std::ranges::slide_view
Member functions
slide_view::slide_view
(C++26)
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constexpr explicit slide_view ( V base, ranges:: range_difference_t < V > n ) ;
(C++23 起)

构造一个 slide_view 并初始化底层数据成员：

  • 使用 std :: move ( base ) 移动构造底层视图 base_ ，
  • 使用 n 初始化"窗口大小" n_ 。

参数

base - 源视图
n - “滑动窗口”大小

示例

运行此代码 
#include <algorithm>
#include <iostream>
#include <ranges>
int main()
{
    const auto source = {1, 2, 3, 4};
    auto slide = std::views::slide(source, 3);
    std::ranges::for_each(slide, [](std::ranges::viewable_range auto&& w)
    {
        std::cout << '[' << w[0] << ' ' << w[1] << ' ' << w[2] << "]\n";
    });
}

输出： 

[1 2 3]
[2 3 4]