ValueOf
StringlyTyped
ValueOf | StringlyTyped | |
---|---|---|
9 | 1 | |
833 | 6 | |
- | - | |
0.0 | 0.0 | |
about 1 year ago | about 2 years ago | |
C# | C# | |
MIT License | Apache License 2.0 |
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ValueOf
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Robust Design through Value Objects in C#
As we anticipate advancements in C#, we can still forge ahead with crafting resilient applications by utilizing the "ValueOf" package as a provisional solution. Below, we create a validated EmailAddress class leveraging the package:
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Check out new C# 12 preview features! - .NET Blog
Probably better to use something like https://github.com/mcintyre321/ValueOf until we get a better solution (if we ever do). I agree that this is a pitfall.
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Strong typedefs
The problem you’re describing here I think is ‘primitive obsession’, and the solution you’ve described is I think essentially a value object. This library might be useful https://github.com/mcintyre321/ValueOf
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New Exception helpers in .NET 8
It lacks compile-time validation (though an analyzer that at least detects validation errors in the constructor should be fairly easy; more complicated flow control cases are probably hard), but at runtime, https://github.com/mcintyre321/ValueOf would let you do that.
- The power of OneOf. Unions for C#
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Class vs Struct
If you want to wrap a small number of properties in a type to avoid primitive obsession, consider using ValueOf.
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Is there anyway to override default values of the decimal type in c#?
You might be able to create a wrapper type with something like ValueOf.
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Primitive Obsession
I good library I've found for addressing this issue is https://github.com/mcintyre321/ValueOf
StringlyTyped
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Primitive Obsession
Did you serialsation look anything like mine? I'd be keen to hear if mine suffers from performance issues (I've yet to benchmark it, but it isn't doing anything too fancy): https://github.com/SteveDunn/StringlyTyped/blob/main/src/StringlyTyped/ValueObjectConverterFactory.cs
What are some alternatives?
OneOf - Easy to use F#-like ~discriminated~ unions for C# with exhaustive compile time matching
FSharp.UMX - F# units of measure for primitive non-numeric types
WrapperValueObject - A .NET source generator for creating simple value objects wrapping primitive types.
eShopOnWeb - Sample ASP.NET Core 8.0 reference application, powered by Microsoft, demonstrating a layered application architecture with monolithic deployment model. Download the eBook PDF from docs folder.
CleanArchitecture - Clean Architecture Solution Template: A starting point for Clean Architecture with ASP.NET Core
EngineeringUnits - Working with units made easy with automatic unit-check and converting between units
coolstore-microservices - A full-stack .NET microservices build on Dapr and Tye
eShopOnContainers - Cross-platform .NET sample microservices and container based application that runs on Linux Windows and macOS. Powered by .NET 7, Docker Containers and Azure Kubernetes Services. Supports Visual Studio, VS for Mac and CLI based environments with Docker CLI, dotnet CLI, VS Code or any other code editor. Moved to https://github.com/dotnet/eShop.
csharplang - The official repo for the design of the C# programming language
modular-monolith-with-ddd - Full Modular Monolith application with Domain-Driven Design approach.