top-level main programs

csharp-fp1/Infrastructure/InMemoryAccount.cs

@@ -8,7 +8,8 @@ public delegate Account? LoadAccount(Guid id);
 
 public delegate void SaveAccount(Account accunt);
 
-// If we don't want to use tuples or really miss the interface idea, we can create a named container
+// If we don't want to use tuples, or you really miss the idea of a combined "interface",
+// we can create a named container
 //   public sealed record AccountPersistence(LoadAccount Load, SaveAccount Save);
 
 public static class InMemoryAccount

csharp-fp1/Program.cs

@@ -2,27 +2,17 @@
 using CsharpFp1.Domain;
 using CsharpFp1.Infrastructure;
 
-namespace CsharpFp1;
+Console.WriteLine("[csharp-fp1] Starting withdraw money demo...");
 
-public class Program
+var (loadAccount, saveAccount) = InMemoryAccount.Create();
-{
+var withdrawMoney = AccountApplication.CreateWithdrawMoney(loadAccount, saveAccount);
-    public static void Main()
-    {
-        Console.WriteLine("[csharp-fp1] Starting withdraw money demo...");
 
-        var (loadAccount, saveAccount) = InMemoryAccount.Create();
+var accountId = Guid.NewGuid();
-        var withdrawMoney = AccountApplication.CreateWithdrawMoney(loadAccount, saveAccount);
+Console.WriteLine($"[csharp-fp1] Seeding account {accountId} with opening balance 200.00");
+saveAccount(new Account(accountId, new Money(200m)));
 
-        var accountId = Guid.NewGuid();
+decimal amount = 100m;
-        Console.WriteLine($"[csharp-fp1] Seeding account {accountId} with opening balance 200.00");
+Console.WriteLine($"[csharp-fp1] Executing withdrawal {amount:0.00} from account {accountId}");
-        saveAccount(new Account(accountId, new Money(200m)));
+withdrawMoney(accountId, amount);
 
-        decimal amount = 100m;
+Console.WriteLine("[csharp-fp1] Demo completed.");
-        Console.WriteLine(
-            $"[csharp-fp1] Executing withdrawal {amount:0.00} from account {accountId}"
-        );
-        withdrawMoney(accountId, amount);
-
-        Console.WriteLine("[csharp-fp1] Demo completed.");
-    }
-}

csharp-oop-simplified1/Program.cs

@@ -2,28 +2,20 @@
 using CsharpOopSimplified1.Domain;
 using CsharpOopSimplified1.Infrastructure;
 
-namespace CsharpOopSimplified1;
+Console.WriteLine("[csharp-oop-simplified1] Starting withdraw money demo...");
 
-public class Program
+var repository = new InMemoryAccountRepository();
-{
-    public static void Main()
-    {
-        Console.WriteLine("[csharp-oop-simplified1] Starting withdraw money demo...");
 
-        var repository = new InMemoryAccountRepository();
+var accountId = Guid.NewGuid();
-
+Console.WriteLine(
-        var accountId = Guid.NewGuid();
-        Console.WriteLine(
     $"[csharp-oop-simplified1] Seeding account {accountId} with opening balance 200.00"
-        );
+);
-        repository.Save(new Account(new AccountId(accountId), new Money(200m)));
+repository.Save(new Account(new AccountId(accountId), new Money(200m)));
 
-        decimal amount = 100m;
+decimal amount = 100m;
-        Console.WriteLine(
+Console.WriteLine(
     $"[csharp-oop-simplified1] Executing withdrawal {amount:0.00} from account {accountId}"
-        );
+);
-        AccountApplicationService.WithdrawMoney(repository, accountId, amount);
+AccountApplicationService.WithdrawMoney(repository, accountId, amount);
 
-        Console.WriteLine("[csharp-oop-simplified1] Demo completed.");
+Console.WriteLine("[csharp-oop-simplified1] Demo completed.");
-    }
-}

csharp-oop-simplified2/Program.cs

@@ -2,28 +2,20 @@
 using CsharpFp1.Domain;
 using CsharpFp1.Infrastructure;
 
-namespace CsharpFp1;
+Console.WriteLine("[csharp-oop-simplified2] Starting withdraw money demo...");
 
-public class Program
+var repository = new InMemoryAccountRepository();
-{
-    public static void Main()
-    {
-        Console.WriteLine("[csharp-oop-simplified2] Starting withdraw money demo...");
 
-        var repository = new InMemoryAccountRepository();
+var accountId = Guid.NewGuid();
-
+Console.WriteLine(
-        var accountId = Guid.NewGuid();
-        Console.WriteLine(
     $"[csharp-oop-simplified2] Seeding account {accountId} with opening balance 200.00"
-        );
+);
-        repository.Save(new Account(accountId, new Money(200m)));
+repository.Save(new Account(accountId, new Money(200m)));
 
-        decimal amount = 100m;
+decimal amount = 100m;
-        Console.WriteLine(
+Console.WriteLine(
     $"[csharp-oop-simplified2] Executing withdrawal {amount:0.00} from account {accountId}"
-        );
+);
-        AccountApplicationService.WithdrawMoney(repository, accountId, amount);
+AccountApplicationService.WithdrawMoney(repository, accountId, amount);
 
-        Console.WriteLine("[csharp-oop-simplified2] Demo completed.");
+Console.WriteLine("[csharp-oop-simplified2] Demo completed.");
-    }
-}

csharp-oop/Program.cs

@@ -3,28 +3,20 @@ using CsharpOop.Contracts;
 using CsharpOop.Domain;
 using CsharpOop.Infrastructure;
 
-namespace CsharpOop;
+Console.WriteLine("[csharp-oop] Starting withdraw money demo...");
 
-public class Program
+var repository = new InMemoryAccountRepository();
-{
+var handler = new WithdrawMoneyHandler(repository);
-    public static void Main()
-    {
-        Console.WriteLine("[csharp-oop] Starting withdraw money demo...");
 
-        var repository = new InMemoryAccountRepository();
+var accountId = Guid.NewGuid();
-        var handler = new WithdrawMoneyHandler(repository);
+Console.WriteLine($"[csharp-oop] Seeding account {accountId} with opening balance 200.00");
+repository.Save(new Account(new AccountId(accountId), new Money(200m)));
 
-        var accountId = Guid.NewGuid();
+var command = new WithdrawMoneyCommand { AccountId = accountId, Amount = 100m };
-        Console.WriteLine($"[csharp-oop] Seeding account {accountId} with opening balance 200.00");
+Console.WriteLine(
-        repository.Save(new Account(new AccountId(accountId), new Money(200m)));
-
-        var command = new WithdrawMoneyCommand { AccountId = accountId, Amount = 100m };
-        Console.WriteLine(
     $"[csharp-oop] Dispatching command: withdraw {command.Amount:0.00} from account {command.AccountId}"
-        );
+);
 
-        handler.Handle(command);
+handler.Handle(command);
 
-        Console.WriteLine("[csharp-oop] Demo completed.");
+Console.WriteLine("[csharp-oop] Demo completed.");
-    }
-}