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fix money type

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This commit is contained in:
Oli Sturm
2026-04-22 15:07:33 +01:00
parent 1f24bea336
commit fd03c45942
2 changed files with 3 additions and 53 deletions
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csharp-fp1/Domain/Money.cs
+1 -26
View File
@@ -1,32 +1,7 @@
namespace CsharpFp1.Domain;
/// Value object used to represent money and enforce simple invariants.
/// Note that this implementation uses immutable patterns for the data
/// by returning a new instance for each modification. This is an early
/// recommendation for DDD with OO, but not necessarily the common practice
/// in many real-world implementations.
public sealed class Money
public sealed record Money(decimal Amount)
{
// Potentially with a setter - see note above
public decimal Amount { get; }
public Money(decimal amount)
{
Amount = amount;
}
// In many existing DDD/OO codebases you may actually see the use
// of mutable value types.
//
// public void Add(Money other)
// {
// this.Amount += other.Amount;
// }
// On the other hand, sometimes these helpers may be left out
// and operations encoded directly "from the outside":
// newBalance = new Money(oldBalance.Amount - charge.Amount)
//
public Money Add(Money other) => new(Amount + other.Amount);
public Money Subtract(Money other) => new(Amount - other.Amount);
csharp-oop-simplified2/Domain/Money.cs
+2 -27
View File
@@ -1,32 +1,7 @@
namespace CsharpFp1.Domain;
namespace CsharpOopSimplified2.Domain;
/// Value object used to represent money and enforce simple invariants.
/// Note that this implementation uses immutable patterns for the data
/// by returning a new instance for each modification. This is an early
/// recommendation for DDD with OO, but not necessarily the common practice
/// in many real-world implementations.
public sealed class Money
public sealed record Money(decimal Amount)
{
// Potentially with a setter - see note above
public decimal Amount { get; }
public Money(decimal amount)
{
Amount = amount;
}
// In many existing DDD/OO codebases you may actually see the use
// of mutable value types.
//
// public void Add(Money other)
// {
// this.Amount += other.Amount;
// }
// On the other hand, sometimes these helpers may be left out
// and operations encoded directly "from the outside":
// newBalance = new Money(oldBalance.Amount - charge.Amount)
//
public Money Add(Money other) => new(Amount + other.Amount);
public Money Subtract(Money other) => new(Amount - other.Amount);