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What do you think about new C# 12 features? (self.csharp)

submitted 1 year ago by starman to c/csharp

10 comments fedilink hide all child comments

New features for those who haven't seen them:

// Primary constructors
public class NamedItem(string name)
{
    public string Name => name;
}

// Default lambda params
var IncrementBy = 
    (int source, int increment = 1) => 
        source + increment;

Console.WriteLine(IncrementBy(5)); // 6
Console.WriteLine(IncrementBy(5, 2)); // 7

// Type aliases
using Point = (int x, int y);

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[–] starman 1 points 1 year ago* (last edited 1 year ago) (1 children)

I heard that unions won't be implemented in C# 12, unfortunately

[–] [email protected] 2 points 1 year ago

I heard the same. The number of places I want to use something like an Option<T> instead of having to consider null values… One day though