jkotas

        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        private static bool IsUrlSafeChar(char ch)
        {
            /*
            if (ch >= 'a' && ch <= 'z' || ch >= 'A' && ch <= 'Z' || ch >= '0' && ch <= '9')
                return true;

            switch (ch)
            {
                case '-':

jkotas

using System;
using System.Runtime.CompilerServices;
using System.Threading;

class Program
{
    static void Work()
    {
        ManagedThreadId.Current.ToString();
    }

jkotas

using System;
using System.IO;
using System.Reflection.PortableExecutable;
using System.Security.Cryptography;
using System.Runtime.InteropServices;
using System.Collections.Immutable;

static class ImmutableArrayHelpers
{
    // Avoid unnecessary copy