MichalBrylka

// See https://aka.ms/new-console-template for more information
using ConsoleApp1;

var nameEntities = new[] { "", null, "Dawid", "Kacper", "Wojciech", "Michał M", "Michał B", "Rafał", "Anna", "Floris" }
    .Select(CreateUser).ToList();

var index = 0;
foreach (var ne in nameEntities)
{
    if (ne.TryGetValue(out var u)) Console.WriteLine($"{index++}. User created: {u}");

MichalBrylka

using System.Runtime.CompilerServices;

namespace Net8.Features;

[Order(9)]
internal class InterceptorsLogging : IShowable
{
    public void Show()
    {
        var todo = new TodoApi();

MichalBrylka

using System;
using BenchmarkDotNet.Attributes;
using Serilog;

namespace TestLoggerCallsPerf;

/*Console
|     Method |     Mean |   Error |   StdDev | Ratio | RatioSD | Allocated | Alloc Ratio |
|----------- |---------:|--------:|---------:|------:|--------:|----------:|------------:|
| ParamsArgs | 477.0 ms | 8.56 ms |  8.01 ms |  1.00 |    0.00 |   3.75 MB |        1.00 |

MichalBrylka

<Project Sdk="Microsoft.NET.Sdk">

	<PropertyGroup>
		<OutputType>Exe</OutputType>
		<TargetFrameworks>net6.0;net7.0</TargetFrameworks>		
	</PropertyGroup>

	
	<ItemGroup>
		<PackageReference Include="BenchmarkDotNet" />

MichalBrylka

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <OutputType>Exe</OutputType>
    <TargetFramework>net6.0</TargetFramework>
    <ImplicitUsings>enable</ImplicitUsings>
    <Nullable>enable</Nullable>
  </PropertyGroup>

  <ItemGroup>

MichalBrylka

using System.Buffers;

namespace GenMath;

public static class Extensions
{
    public static TResult[] ToArray<TResult>(this Range range, Func<int, TResult> transformer)
    {
        if (range.Start.IsFromEnd || range.End.IsFromEnd) throw new NotSupportedException("'FromEnd' ranges are not supported ");

MichalBrylka

using System.Numerics;

namespace Benchmarks;

readonly struct DoubleVector
{
    private readonly double[] _values;
    public DoubleVector(double[] values) => _values = values;

    public double Average()

MichalBrylka

var distances = Enumerable.Range(1, 10).Select(i => new Distance(i)).ToArray();

var sumOfDistances = Sum(distances);

var times = Enumerable.Range(1, 10).Select(i => new Time(i * i)).ToArray();
var velocities = distances.Zip(times).Select(pair => pair.First / pair.Second).ToArray();


static TUnit Sum<TUnit>(IEnumerable<TUnit> units)
    where TUnit : IUnit<TUnit>

MichalBrylka

var parsedLines = Lines<CommaSeparatedWords>.Parse("""
    Ala,has,a,cat
    Cat,has,Ala
    """);

var parsedNumbers = CsvFile<int>.Parse("""
    11
    22
    33
    """);

MichalBrylka

string[] symbolsUniverse = new[] { "AAPL", "VOD", "ADBE", "GRPN", "META", "ACER", "GOOG", "BP" };
List<string> GenerateSymbols(int number)
{
    var symbols = new List<string>();
    for (int i = 0; i < symbolsUniverse.Length; i++)
    {
        var bit = 1 << i;
        if ((number & bit) == bit)
            symbols.Add(symbolsUniverse[i]);
    }