Function foreachpair

src/launcher/docker_executor.cpp:163–174

Convert from JSON to map.

    // Convert from JSON to map.
    foreachpair (
        const string& key,
        const JSON::Value& value,
        json->values) {
      if (!value.is<JSON::String>()) {
        EXIT(EXIT_FAILURE) << flags.usage(
            "Value of key '" + key + "' in --task_environment is not a string");
      }

      // Save the parsed and validated key/value.
      taskEnvironment[key] = value.as<JSON::String>().value;
    }
  }

  Option<mesos::internal::ContainerDNSInfo> defaultContainerDNS;