listed_sqeuence(double concert_pitch, InputIterator begin, InputIterator end, std::size_t reserve = 0) {
frequencies_.reserve(reserve);
while (begin != end) {
if (is_floating_point<typename InputIterator::value_type>(*begin)) {
double f = boost::lexical_cast<double>(*begin);
frequencies_.push_back(f);
}
else {
int offset = parse_note(begin->c_str());
frequencies_.push_back(offset_to_frequency(concert_pitch, offset));
}
++begin;
}
iter_ = frequencies_.begin();
}
template<class InputIterator> inline void
tws::core::copy_string_array(InputIterator first,
InputIterator last,
rapidjson::Value& jvalues,
rapidjson::Document::AllocatorType& allocator)
{
if(!jvalues.IsArray())
throw tws::conversion_error() << tws::error_description("copy_string_array: can only copy arrays of string data.");
while(first != last)
{
jvalues.PushBack(first->c_str(), allocator);
++first;
}
}