From 15150cb3ed2a11ebee30644e55d8ff27a859be88 Mon Sep 17 00:00:00 2001
From: Oleksii Holub <1935960+Tyrrrz@users.noreply.github.com>
Date: Thu, 8 Dec 2022 03:08:58 +0200
Subject: [PATCH] Add `required` modifiers

---
 CliFx.Demo/Commands/BookAddCommand.cs    | 4 ++--
 CliFx.Demo/Commands/BookCommand.cs       | 2 +-
 CliFx.Demo/Commands/BookRemoveCommand.cs | 2 +-
 Readme.md                                | 8 ++++----
 4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/CliFx.Demo/Commands/BookAddCommand.cs b/CliFx.Demo/Commands/BookAddCommand.cs
index a8f4e5d..725ef86 100644
--- a/CliFx.Demo/Commands/BookAddCommand.cs
+++ b/CliFx.Demo/Commands/BookAddCommand.cs
@@ -14,10 +14,10 @@ public partial class BookAddCommand : ICommand
     private readonly LibraryProvider _libraryProvider;
 
     [CommandParameter(0, Name = "title", Description = "Book title.")]
-    public string Title { get; init; } = "";
+    public required string Title { get; init; }
 
     [CommandOption("author", 'a', IsRequired = true, Description = "Book author.")]
-    public string Author { get; init; } = "";
+    public required string Author { get; init; }
 
     [CommandOption("published", 'p', Description = "Book publish date.")]
     public DateTimeOffset Published { get; init; } = CreateRandomDate();
diff --git a/CliFx.Demo/Commands/BookCommand.cs b/CliFx.Demo/Commands/BookCommand.cs
index c5769aa..f181d4e 100644
--- a/CliFx.Demo/Commands/BookCommand.cs
+++ b/CliFx.Demo/Commands/BookCommand.cs
@@ -13,7 +13,7 @@ public class BookCommand : ICommand
     private readonly LibraryProvider _libraryProvider;
 
     [CommandParameter(0, Name = "title", Description = "Title of the book to retrieve.")]
-    public string Title { get; init; } = "";
+    public required string Title { get; init; }
 
     public BookCommand(LibraryProvider libraryProvider)
     {
diff --git a/CliFx.Demo/Commands/BookRemoveCommand.cs b/CliFx.Demo/Commands/BookRemoveCommand.cs
index 04c1e1f..14290b0 100644
--- a/CliFx.Demo/Commands/BookRemoveCommand.cs
+++ b/CliFx.Demo/Commands/BookRemoveCommand.cs
@@ -12,7 +12,7 @@ public class BookRemoveCommand : ICommand
     private readonly LibraryProvider _libraryProvider;
 
     [CommandParameter(0, Name = "title", Description = "Title of the book to remove.")]
-    public string Title { get; init; } = "";
+    public required string Title { get; init; }
 
     public BookRemoveCommand(LibraryProvider libraryProvider)
     {
diff --git a/Readme.md b/Readme.md
index d414b31..b34f1db 100644
--- a/Readme.md
+++ b/Readme.md
@@ -383,7 +383,7 @@ If the user does not provide value for such option through command line argument
 public class AuthCommand : ICommand
 {
     [CommandOption("token", IsRequired = true, EnvironmentVariable = "AUTH_TOKEN")]
-    public string AuthToken { get; init; }
+    public required string AuthToken { get; init; }
 
     public ValueTask ExecuteAsync(IConsole console)
     {
@@ -500,10 +500,10 @@ This special exception can be used to print an error message to the console, ret
 public class DivideCommand : ICommand
 {
     [CommandOption("dividend", IsRequired = true)]
-    public double Dividend { get; init; }
+    public required double Dividend { get; init; }
 
     [CommandOption("divisor", IsRequired = true)]
-    public double Divisor { get; init; }
+    public required double Divisor { get; init; }
 
     public ValueTask ExecuteAsync(IConsole console)
     {
@@ -727,4 +727,4 @@ var app = new CliApplicationBuilder()
 ## Etymology
 
 **CliFx** is made out of "Cli" for "Command Line Interface" and "Fx" for "Framework".
-It's pronounced as "cliff ex".
+It's pronounced as "cliff ex".
\ No newline at end of file