#include <SoftwareSerial.h>

class mySoftwareSerial {
  public:
    mySoftwareSerial(uint8_t rx, uint8_t tx, int var)
      : comPort(SoftwareSerial(rx, tx)), var(var) {}

    SoftwareSerial comPort;
    int var;
};

mySoftwareSerial comPorts[] = {{2, 3, 0}, {4, 5, 1}};


void setup() {
  Serial.begin(115200);
  for (auto &port : comPorts) port.comPort.begin(9600);
  for (auto &port : comPorts) Serial.println(port.comPort.isListening() ? "OFF" : "ON");
}

void loop() {}