qubitz

using System;
using System.Collections.Generic;

var data1 = new Data("data1");
var data2 = new Data("data2");
Console.WriteLine(new DataEqualityComparer().Equals(data1, data2));

public record Data(string SomeProp);

public class DataEqualityComparer : IEqualityComparer<Data>

qubitz

class Time:
    """Represents and manipulates hours and minutes"""
    def __init__(self, hour=12, minute=0):
        valid_hour, valid_minute = Time.make_valid(hour, minute)
        self.__hour = valid_hour
        self.__minute = valid_minute

    def __str__(self):
        return "{0}:{1:02}".format(self.__hour, self.__minute)