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68 lines (52 loc) · 1.34 KB

rend

  • list[meta header]
  • std[meta namespace]
  • list[meta class]
  • function[meta id-type]
reverse_iterator rend();                    // (1) C++03
reverse_iterator rend() noexcept;           // (1) C++11
constexpr reverse_iterator rend() noexcept; // (1) C++26

const_reverse_iterator rend() const;                    // (2) C++03
const_reverse_iterator rend() const noexcept;           // (2) C++11
constexpr const_reverse_iterator rend() const noexcept; // (2) C++26

概要

先頭要素の前を指す逆イテレータを取得する。

戻り値

先頭要素の前を指す逆イテレータ

例外

投げない

#include <iostream>
#include <list>

int main()
{
  std::list<int>        ls  = { 1, 2, 3 };
  const std::list<int>& cls = ls;

  decltype(ls)::reverse_iterator i    = ls.rbegin();
  decltype(ls)::reverse_iterator last = ls.rend();

  decltype(ls)::const_reverse_iterator ci    = cls.rbegin();
  decltype(ls)::const_reverse_iterator clast = cls.rend();

  for (; i != last; ++i) {
    std::cout << *i << std::endl;
  }

  for (; ci != clast; ++ci) {
    std::cout << *ci << std::endl;
  }
}
  • rend()[color ff0000]
  • rbegin()[link rbegin.md]

出力

3
2
1
3
2
1

参照