enum_class_parse.cpp

• Shows how to use xtd::enum_object::parse method.

#include <xtd/as>
#include <xtd/console>
#include <xtd/enum_class>
 
using namespace xtd;
 
enum_class_(, enum_test,
  value_one,
  value_two,
  value_three,
  value_four
);
 
auto main() -> int {
  console::write_line("result = {}", enum_object<>::parse<enum_test>("value_two"));
  console::write_line("result = {}", enum_object<>::parse<enum_test>("VaLuE_fOuR", true));
  try {
    console::write_line("result = {}", enum_object<>::parse<enum_test>("value_five"));
  } catch (const xtd::system_exception&) {
    console::write_line("enum_test::value_five does not exists!");
  }
  
  auto result = as<enum_test>(0);
  if (enum_object<>::try_parse<enum_test>("value_three", result)) console::write_line("result = {}", result);
  if (enum_object<>::try_parse<enum_test>("vAlUe_OnE", true, result)) console::write_line("result = {}", result);
  if (enum_object<>::try_parse<enum_test>("value_six", result)) console::write_line("result = {}", result);
  else console::write_line("enum_test::value_six does not exists!");
}