C++: Split string_view into std::vector<string_view> by delimiter.

split_string_view.hpp

// should work correctly, but not tested yet

std::vector<std::string_view> split(const std::string_view str, const char delimiter = ',')
{
    std::vector<std::string_view> result;

    auto mark = str.begin();
    for (auto it = mark; it != str.end(); ++it) {
        if (*it == delimiter) {
            result.emplace_back(std::string_view(mark, it));
            mark = it + 1;
        }
    }

    if (std::distance(mark, str.end()))
        result.emplace_back(std::string_view(mark, str.end()));

    return result;
}