I have a silly issue I'm trying to use C# 12's

Question

I have a silly issue I'm trying to use C# 12's

primary constructors; thus I have a class like this:

public class InventoryItem(IEntity entity, long amount = 0)
{
public required IEntity Entity { get; set; } = entity;
public long Amount { get; set; } = amount;
}

That all seems valid, however when I try to call it like this:
List<InventoryItem> inventoryItems = [];
inventoryItems.Add(new InventoryItem(entity, amount));

I get
Required member 'InventoryItem.Entity' must be set in the object initializer or attribute constructor.CS9035

Any suggestions? Can I perhaps not use primary constructors with required fields?

0

22.05.2024

2 ответов

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Jaap / Nox 🇳🇱 Автор вопроса

Wizou
Maybe you need [SetsRequiredMembers]

I tried this, but Attribute 'System.Diagnostics.CodeAnalysis.SetsRequiredMembers' is not valid on this declaration type. It is only valid on 'constructor' declarations.CS0592 😁

0

7 месяцев назад

Wizou · Accepted Answer

Wizou

Maybe you need [SetsRequiredMembers]

0

7 месяцев назад

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I have a silly issue I'm trying to use C# 12's

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