本文整理汇总了C++中ranges::make_iterator_range方法的典型用法代码示例。如果您正苦于以下问题：C++ ranges::make_iterator_range方法的具体用法？C++ ranges::make_iterator_range怎么用？C++ ranges::make_iterator_range使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ranges的用法示例。
在下文中一共展示了ranges::make_iterator_range方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: test
void test()
{
int ia[] = {1, 2, 3, 4, 5, 6};
constexpr auto sc = ranges::size(ia);
CHECK(ranges::accumulate(Iter(ia), Sent(ia), 0) == 0);
CHECK(ranges::accumulate(Iter(ia), Sent(ia), 10) == 10);
CHECK(ranges::accumulate(Iter(ia), Sent(ia+1), 0) == 1);
CHECK(ranges::accumulate(Iter(ia), Sent(ia+1), 10) == 11);
CHECK(ranges::accumulate(Iter(ia), Sent(ia+2), 0) == 3);
CHECK(ranges::accumulate(Iter(ia), Sent(ia+2), 10) == 13);
CHECK(ranges::accumulate(Iter(ia), Sent(ia+sc), 0) == 21);
CHECK(ranges::accumulate(Iter(ia), Sent(ia+sc), 10) == 31);
using ranges::make_iterator_range;
CHECK(ranges::accumulate(make_iterator_range(Iter(ia), Sent(ia)), 0) == 0);
CHECK(ranges::accumulate(make_iterator_range(Iter(ia), Sent(ia)), 10) == 10);
CHECK(ranges::accumulate(make_iterator_range(Iter(ia), Sent(ia+1)), 0) == 1);
CHECK(ranges::accumulate(make_iterator_range(Iter(ia), Sent(ia+1)), 10) == 11);
CHECK(ranges::accumulate(make_iterator_range(Iter(ia), Sent(ia+2)), 0) == 3);
CHECK(ranges::accumulate(make_iterator_range(Iter(ia), Sent(ia+2)), 10) == 13);
CHECK(ranges::accumulate(make_iterator_range(Iter(ia), Sent(ia+sc)), 0) == 21);
CHECK(ranges::accumulate(make_iterator_range(Iter(ia), Sent(ia+sc)), 10) == 31);
}示例2: test
template<class InIter, class OutIter, class InSent = InIter> void test()
{
using ranges::adjacent_difference;
using ranges::make_iterator_range;
{ // iterator
int ia[] = {15, 10, 6, 3, 1};
int ir[] = {15, -5, -4, -3, -2};
const unsigned s = sizeof(ia) / sizeof(ia[0]);
int ib[s] = {0};
auto r = adjacent_difference(InIter(ia), InSent(ia + s), OutIter(ib));
CHECK(base(std::get<0>(r)) == ia + s);
CHECK(base(std::get<1>(r)) == ib + s);
for(unsigned i = 0; i < s; ++i)
{
CHECK(ib[i] == ir[i]);
}
}
{ // range + output iterator
int ia[] = {15, 10, 6, 3, 1};
int ir[] = {15, -5, -4, -3, -2};
const unsigned s = sizeof(ia) / sizeof(ia[0]);
int ib[s] = {0};
auto rng = make_iterator_range(InIter(ia), InSent(ia + s));
auto r = adjacent_difference(rng, OutIter(ib));
CHECK(base(std::get<0>(r)) == ia + s);
CHECK(base(std::get<1>(r)) == ib + s);
for(unsigned i = 0; i < s; ++i)
{
CHECK(ib[i] == ir[i]);
}
}
{ // range + output range
int ia[] = {15, 10, 6, 3, 1};
int ir[] = {15, -5, -4, -3, -2};
const unsigned s = sizeof(ia) / sizeof(ia[0]);
int ib[s] = {0};
auto rng = make_iterator_range(InIter(ia), InSent(ia + s));
auto orng = make_iterator_range(OutIter(ib), OutIter(ib + s));
auto r = adjacent_difference(rng, orng);
CHECK(base(std::get<0>(r)) == ia + s);
CHECK(base(std::get<1>(r)) == ib + s);
for(unsigned i = 0; i < s; ++i)
{
CHECK(ib[i] == ir[i]);
}
}
{
int ia[] = {15, 10, 6, 3, 1};
int ir[] = {15, 25, 16, 9, 4};
const unsigned s = sizeof(ia) / sizeof(ia[0]);
int ib[s] = {0};
auto rng = make_iterator_range(InIter(ia), InSent(ia + s));
auto orng = make_iterator_range(OutIter(ib), OutIter(ib + s));
auto r = adjacent_difference(rng, orng, std::plus<int>());
CHECK(base(std::get<0>(r)) == ia + s);
CHECK(base(std::get<1>(r)) == ib + s);
for(unsigned i = 0; i < s; ++i)
{
CHECK(ib[i] == ir[i]);
}
}
}