1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
// Range v3 library
//
// Copyright Eric Niebler 2014-present
//
// Use, modification and distribution is subject to the
// Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#include <vector>
#include <range/v3/core.hpp>
#include <range/v3/view/iota.hpp>
#include <range/v3/action/drop.hpp>
#include "../simple_test.hpp"
#include "../test_utils.hpp"
int main()
{
using namespace ranges;
auto v = views::ints(1,21) | to<std::vector>();
auto & v2 = actions::drop(v, 3);
CHECK(&v2 == &v);
CHECK(v.size() == 17u);
CHECK(v[0] == 4);
v = std::move(v) | actions::drop(3);
CHECK(v.size() == 14u);
CHECK(v[0] == 7);
v |= actions::drop(3);
CHECK(v.size() == 11u);
CHECK(v[0] == 10);
v |= actions::drop(100);
CHECK(v.size() == 0u);
return ::test_result();
}
|
