Possibility of Discriminated Unions in C#: Functional Programming in .NET

The source code from this demo is available to sponsors at Patreon: https://www.patreon.com/posts/possibility-of-c-84426442
Curious about discriminated unions and their place in C#? That is a modeling tool often seen in functional programming. It lets you create a type that can be one of several predefined options but cannot be extended further. In other words, they offer a way to create a variable that can legitimately hold different types of data.
But, how does that translate into C# and .NET? And, by the same token, how does functional programming fit in? First of all, the current C# syntax does not support discriminated unions. But, as you will learn from the video, it doesn’t take more than disciplined coding and the use of existing elements of the C# syntax – primarily records – to write clean functional code in the middle of your object-oriented domain model!
In this video, we will extend an ASP.NET Core application to demonstrate how a discriminated union can be a better fit than a traditional object-oriented model in certain situations. We show how this functional concept can be used to develop a complex feature, with the goal of making your code more expressive and manageable.
From tackling domain modeling to dealing with complex injectable strategies, this video takes you on a tour-de-force functional modeling in C#, based on the use of discriminated unions.
Don’t miss out on this opportunity to deepen your programming skills with C# and .NET, learn about discriminated unions, and see the potential of C# and .NET functional programming.

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