michael-wolfenden

// when T is any|unknown, Y is returned, otherwise N
type IsAnyUnknown<T, Y, N> = unknown extends T ? Y : N;
  
// when T is never, Y is returned, otherwise N
type IsNever<T, Y = true, N = false> = [T] extends [never] ? Y : N;

// when T is a tuple, Y is returned, otherwise N
// valid tuples = [string], [string, boolean], 
// invalid tuples = [], string[], (string | number)[]

michael-wolfenden

# Git to autodetect text files and normalise their line endings to LF when they are checked into your repository.
* text=auto

#
# The above will handle all files NOT found below
#

# These files are text and should be normalized (Convert crlf => lf)
*.php text
*.css text

michael-wolfenden

##########################################################################
# Disable UAC (temporarily)
##########################################################################

Disable-UAC

##########################################################################
# Create temporary directory
##########################################################################

michael-wolfenden

Get-NetTCPConnection | Group-Object -Property State, OwningProcess | Select -Property Count, Name, @{Name="ProcessName";Expression={(Get-Process -PID ($_.Name.Split(',')[-1].Trim(' '))).Name}}, Group | Sort Count -Descending 

michael-wolfenden

https://aka.ms/aspnetcore-makeover

Slides

Outline

• Intro (goals/non-goals/what you'll learn)
• Pick The Right Starting Template
  • Web Application (no auth)
  • Web API
  • SPA

michael-wolfenden

/*
<Query Kind="Program">
  <NuGetReference>FsCheck.Xunit</NuGetReference>
  <NuGetReference>TypeShape</NuGetReference>
  <NuGetReference>xunit</NuGetReference>
  <NuGetReference>xunit.runner.utility</NuGetReference>
  <Namespace>FsCheck</Namespace>
  <Namespace>FsCheck.Xunit</Namespace>
  <Namespace>TypeShape</Namespace>
  <Namespace>TypeShape.Core</Namespace>

michael-wolfenden

/*
<Query Kind="Program">
  <NuGetReference>xunit</NuGetReference>
  <NuGetReference>xunit.runner.utility</NuGetReference>
  <Namespace>Xunit</Namespace>
  <Namespace>Xunit.Runners</Namespace>
  <CopyLocal>true</CopyLocal>
</Query>
*/

michael-wolfenden

using System.Linq;
using ServiceStack;
using ServiceStack.Text;
using LanguageExt;
using static LanguageExt.Prelude;
using Newtonsoft.Json;

public class Error : NewType<Error, string>
{
	public Error(string value) : base(value) { }

michael-wolfenden

using System.Linq;
using ServiceStack;
using ServiceStack.Text;
using LanguageExt;
using static LanguageExt.Prelude;
using Newtonsoft.Json;

public class Error : NewType<Error, string>
{
	public Error(string value) : base(value) { }

michael-wolfenden

public class Pattern<TReturn>
	: List<(Type Type, Func<object, TReturn> Map)>
{
	public void Add<T>(Func<T, TReturn> map)
		=> Add((typeof(T), o => map((T)o)));

	public Pattern<TReturn> Default(TReturn val)
	{
		Add((object _) => val);
		return this;