Function EnvironmentHelper

Source/cmCMakePresetsGraphReadJSON.cxx:238–251

}

bool EnvironmentHelper(cm::optional<std::string>& out,
                       Json::Value const* value, cmJSONState* state)
{
  if (!value || value->isNull()) {
    out = cm::nullopt;
    return true;
  }
  if (value->isString()) {
    out = value->asString();
    return true;
  }
  cmCMakePresetsErrors::INVALID_PRESET(value, state);
  return false;
}

auto const VersionIntHelper =
  JSONHelperBuilder::Int(cmCMakePresetsErrors::INVALID_VERSION);