__tunit_join__items.h

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#pragma once
#if !defined(__XTD_TUNIT_INTERNAL__)
#error "Do not include this file: Internal use only"
#endif
 
//#include "__default_insert_basic_ostream_operator.h"
#include <sstream>
#include <string>
 
template<typename collection_t>
std::string __tunit_join__items(const collection_t& collection) {
  std::stringstream ss;
  ss << "< ";
  bool first = true;
  for (const auto& item : collection) {
    if (!first) ss << ", ";
    ss << __tunit_to_string(item);
    first = false;
  }
  ss << " >";
  return ss.str();
}
 
template<>
inline std::string __tunit_join__items<std::string>(const std::string& collection) {
  std::stringstream ss;
  ss << "< ";
  bool first = true;
  for (const char& item : collection) {
    if (!first) ss << ", ";
    ss << '\'' << item << '\'';
    first = false;
  }
  ss << " >";
  return ss.str();
}