osrm-backend/include/util/for_each_range.hpp

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#ifndef OSRM_UTIL_FOR_EACH_RANGE_HPP
#define OSRM_UTIL_FOR_EACH_RANGE_HPP
namespace osrm
{
namespace util
{
template <typename Iter, typename Func> void for_each_range(Iter begin, Iter end, Func f)
{
auto iter = begin;
while (iter != end)
{
const auto key = iter->first;
auto begin_range = iter;
while (iter != end && iter->first == key)
{
iter++;
}
f(begin_range, iter);
}
}
}
}
#endif