marcinnajder

async Optional<string> ProcessText(string text1, string text2)
{
    int number1 = await TryParseInt(text1);
    int number2 = await TryParseInt(text2);

    return (number1 + number2).ToString();
}

Optional<int> TryParseInt(string text) =>
    int.TryParse(text, out var result) ? new Optional<int>(result) : Optional<int>.None;

marcinnajder

async Optional<string> ProcessText(string text1, string text2)
{
    int number1 = await TryParseInt(text1);
    int number2 = await TryParseInt(text2);

    return (number1 + number2).ToString();
}

Optional<int> TryParseInt(string text) =>
    int.TryParse(text, out var result) ? new Optional<int>(result) : Optional<int>.None;

marcinnajder

class Program
    {
        static void ExecuteAcionNTimes(int n, Action<int> cosDoZrobienia)
        {
            for (int i = 0; i < n; i++)
            {
                cosDoZrobienia.Invoke(i);
            }
        }

marcinnajder

using System;
using System.Linq;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using System.Reflection;
using System.Threading;
using System.IO;

[assembly: System.Runtime.CompilerServices.InternalsVisibleTo("Workshop.CSharp.Advanced.Tests")]

marcinnajder

using System;
//using System.Linq;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using System.Reflection;
using System.Threading;
using System.IO;
using System.Linq;