How to initialize a ConcurrentDictionary? | C# Online Compiler

How to initialize a ConcurrentDictionary? by wwchong+dotnetfiddle@gmail.com

using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
					
public class Program
{
	private static readonly IDictionary<Type, string> SqlServerMap = new ConcurrentDictionary<Type, string>
	{
		[typeof(Boolean)] = "bit",
		[typeof(Byte[])] = "varbinary(max)",
		[typeof(Double)] = "float",
		[typeof(Byte)] = "tinyint",
		[typeof(Int16)] = "smallint",
		[typeof(Int32)] = "int",
		[typeof(Int64)] = "bigint",
		[typeof(Decimal)] = "decimal",
		[typeof(Single)] = "real",
		[typeof(DateTime)] = "datetime2(7)",
		[typeof(TimeSpan)] = "time",
		[typeof(String)] = "nvarchar(MAX)",
		[typeof(Guid)] = "uniqueidentifier"
	};
	public static void Main()
	{
		foreach (var item in SqlServerMap) {
			Console.WriteLine($"{item.Key} = {item.Value}");
		}
	}
}

 
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
                    
public class Program
{
    private static readonly IDictionary<Type, string> SqlServerMap = new ConcurrentDictionary<Type, string>
    {
        [typeof(Boolean)] = "bit",
        [typeof(Byte[])] = "varbinary(max)",
        [typeof(Double)] = "float",
        [typeof(Byte)] = "tinyint",
        [typeof(Int16)] = "smallint",
        [typeof(Int32)] = "int",
        [typeof(Int64)] = "bigint",
        [typeof(Decimal)] = "decimal",
        [typeof(Single)] = "real",
        [typeof(DateTime)] = "datetime2(7)",
        [typeof(TimeSpan)] = "time",
        [typeof(String)] = "nvarchar(MAX)",
        [typeof(Guid)] = "uniqueidentifier"
    };
    public static void Main()
    {
        foreach (var item in SqlServerMap) {
            Console.WriteLine($"{item.Key} = {item.Value}");
        }
    }
}

Sorting Stuff Demo
Unsorted Collection
(4, c8457f2e-fc87-4c90-b5c2-bd834019e3d3)
(3, 10a00c35-b240-43a8-94cb-375df0fb227a)
(1, 5a49106d-35a2-4b56-ac10-66b6185989ef)
(1, 8a87132c-6be6-4098-b5d4-ff1d78b8713c)
(2, 08e9122c-ffe7-4e2a-8ff8-8256235fab12)
(3, c8457f2e-fc87-4c90-b5c2-bd834019e3d3)
(0, 10a00c35-b240-43a8-94cb-375df0fb227a)
(3, 5a49106d-35a2-4b56-ac10-66b6185989ef)
(2, 8a87132c-6be6-4098-b5d4-ff1d78b8713c)
(1, 08e9122c-ffe7-4e2a-8ff8-8256235fab12)
(1, c8457f2e-fc87-4c90-b5c2-bd834019e3d3)
(0, 10a00c35-b240-43a8-94cb-375df0fb227a)
(1, 5a49106d-35a2-4b56-ac10-66b6185989ef)
(0, 8a87132c-6be6-4098-b5d4-ff1d78b8713c)
(1, 08e9122c-ffe7-4e2a-8ff8-8256235fab12)
Proposed in PR
(88715, 2, 8a87132c-6be6-4098-b5d4-ff1d78b8713c)
(88714, 1, 8a87132c-6be6-4098-b5d4-ff1d78b8713c)
(88713, 0, 8a87132c-6be6-4098-b5d4-ff1d78b8713c)
(84576, 4, c8457f2e-fc87-4c90-b5c2-bd834019e3d3)
(84575, 3, c8457f2e-fc87-4c90-b5c2-bd834019e3d3)
(84573, 1, c8457f2e-fc87-4c90-b5c2-bd834019e3d3)
(54913, 3, 5a49106d-35a2-4b56-ac10-66b6185989ef)
(54911, 1, 5a49106d-35a2-4b56-ac10-66b6185989ef)
(54911, 1, 5a49106d-35a2-4b56-ac10-66b6185989ef)
(10006, 3, 10a00c35-b240-43a8-94cb-375df0fb227a)
(10003, 0, 10a00c35-b240-43a8-94cb-375df0fb227a)
(10003, 0, 10a00c35-b240-43a8-94cb-375df0fb227a)
(8914, 2, 08e9122c-ffe7-4e2a-8ff8-8256235fab12)
(8913, 1, 08e9122c-ffe7-4e2a-8ff8-8256235fab12)
(8913, 1, 08e9122c-ffe7-4e2a-8ff8-8256235fab12)
Ordered By Product Id
(4, c8457f2e-fc87-4c90-b5c2-bd834019e3d3)
(3, 10a00c35-b240-43a8-94cb-375df0fb227a)
(3, c8457f2e-fc87-4c90-b5c2-bd834019e3d3)
(3, 5a49106d-35a2-4b56-ac10-66b6185989ef)
(2, 08e9122c-ffe7-4e2a-8ff8-8256235fab12)
(2, 8a87132c-6be6-4098-b5d4-ff1d78b8713c)
(1, 5a49106d-35a2-4b56-ac10-66b6185989ef)
(1, 8a87132c-6be6-4098-b5d4-ff1d78b8713c)
(1, 08e9122c-ffe7-4e2a-8ff8-8256235fab12)
(1, c8457f2e-fc87-4c90-b5c2-bd834019e3d3)
(1, 5a49106d-35a2-4b56-ac10-66b6185989ef)
(1, 08e9122c-ffe7-4e2a-8ff8-8256235fab12)
(0, 10a00c35-b240-43a8-94cb-375df0fb227a)
(0, 10a00c35-b240-43a8-94cb-375df0fb227a)
(0, 8a87132c-6be6-4098-b5d4-ff1d78b8713c)
Ordered By Guids
(4, c8457f2e-fc87-4c90-b5c2-bd834019e3d3)
(3, c8457f2e-fc87-4c90-b5c2-bd834019e3d3)
(1, c8457f2e-fc87-4c90-b5c2-bd834019e3d3)
(1, 8a87132c-6be6-4098-b5d4-ff1d78b8713c)
(2, 8a87132c-6be6-4098-b5d4-ff1d78b8713c)
(0, 8a87132c-6be6-4098-b5d4-ff1d78b8713c)
(1, 5a49106d-35a2-4b56-ac10-66b6185989ef)
(3, 5a49106d-35a2-4b56-ac10-66b6185989ef)
(1, 5a49106d-35a2-4b56-ac10-66b6185989ef)
(3, 10a00c35-b240-43a8-94cb-375df0fb227a)
(0, 10a00c35-b240-43a8-94cb-375df0fb227a)
(0, 10a00c35-b240-43a8-94cb-375df0fb227a)
(2, 08e9122c-ffe7-4e2a-8ff8-8256235fab12)
(1, 08e9122c-ffe7-4e2a-8ff8-8256235fab12)
(1, 08e9122c-ffe7-4e2a-8ff8-8256235fab12)
Ordered by product then Guid
(4, c8457f2e-fc87-4c90-b5c2-bd834019e3d3)
(3, c8457f2e-fc87-4c90-b5c2-bd834019e3d3)
(3, 5a49106d-35a2-4b56-ac10-66b6185989ef)
(3, 10a00c35-b240-43a8-94cb-375df0fb227a)
(2, 8a87132c-6be6-4098-b5d4-ff1d78b8713c)
(2, 08e9122c-ffe7-4e2a-8ff8-8256235fab12)
(1, c8457f2e-fc87-4c90-b5c2-bd834019e3d3)
(1, 8a87132c-6be6-4098-b5d4-ff1d78b8713c)
(1, 5a49106d-35a2-4b56-ac10-66b6185989ef)
(1, 5a49106d-35a2-4b56-ac10-66b6185989ef)
(1, 08e9122c-ffe7-4e2a-8ff8-8256235fab12)
(1, 08e9122c-ffe7-4e2a-8ff8-8256235fab12)
(0, 8a87132c-6be6-4098-b5d4-ff1d78b8713c)
(0, 10a00c35-b240-43a8-94cb-375df0fb227a)
(0, 10a00c35-b240-43a8-94cb-375df0fb227a)
Ordered by Guid then Product
(4, c8457f2e-fc87-4c90-b5c2-bd834019e3d3)
(3, c8457f2e-fc87-4c90-b5c2-bd834019e3d3)
(3, 5a49106d-35a2-4b56-ac10-66b6185989ef)
(3, 10a00c35-b240-43a8-94cb-375df0fb227a)
(2, 8a87132c-6be6-4098-b5d4-ff1d78b8713c)
(2, 08e9122c-ffe7-4e2a-8ff8-8256235fab12)
(1, c8457f2e-fc87-4c90-b5c2-bd834019e3d3)
(1, 8a87132c-6be6-4098-b5d4-ff1d78b8713c)
(1, 5a49106d-35a2-4b56-ac10-66b6185989ef)
(1, 5a49106d-35a2-4b56-ac10-66b6185989ef)
(1, 08e9122c-ffe7-4e2a-8ff8-8256235fab12)
(1, 08e9122c-ffe7-4e2a-8ff8-8256235fab12)
(0, 8a87132c-6be6-4098-b5d4-ff1d78b8713c)
(0, 10a00c35-b240-43a8-94cb-375df0fb227a)
(0, 10a00c35-b240-43a8-94cb-375df0fb227a)

Last Run:	2:07:04 am
Compile:	0.268s
Execute:	0.03s
Memory:	176.05kb
CPU:	0.016s

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