BerTlv.NET VS MediatR

BerTlv.NET

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Tracking mentions began in Dec 2020.

MediatR

• The Monad Invasion - Part 2: Monads in Action!
  3 projects | dev.to | 27 Feb 2024

  You probably noticed that .SetName() returns a Either. You may have come across Unit in libraries like MediatR or Language-Ext. It's a simple construct representing a type with only one possible value. We use it as a placeholder for operations that do not return a value but may return another state. In our example, .SetName() is a Command that does not return a value but may fail. Therefore, the monad Either carries two possible states: Right (without value) or Left (with an Error).

• How small is the smallest .NET Hello World binary?
  8 projects | news.ycombinator.com | 9 Jul 2023

  The widely used MediatR library[0] could be used to do that as well, just FYI.

  [0]: https://github.com/jbogard/MediatR

• Cannot use disposed service
  1 project | /r/dotnet | 4 Jul 2023
• Exception handling between controller and service
  6 projects | /r/dotnet | 1 Jul 2023
• CQRS: How to handle duplicate queries inside a CommandHandler
  1 project | /r/dotnetcore | 26 Jun 2023

  Hope this GH issue shed some light on why injecting handler inside another handler is not good https://github.com/jbogard/MediatR/issues/400

• Is MediatR the only real CQRS solution for .Net?
  4 projects | /r/dotnet | 6 May 2023

  From: https://github.com/jbogard/MediatR

• Easiest way to build the fastest REST API in C# and .NET 7 using CQRS
  4 projects | dev.to | 25 Apr 2023

  I gave it a go and I was impressed how easy and fast it was to set it all up. Since I'm not a big fan of REPR pattern almost all my projects are using CQRS pattern with a help of MediatR ](https://github.com/jbogard/MediatR) I immediately started going over something similar that Fast Endpoints offer which is a command bus.

• MVVM Question: How do you manage the interaction between Model and ViewModel?
  4 projects | /r/csharp | 3 Apr 2023

  I'd use a dedicated event bus based on Reactive Extensions or MediatR to publish domain events from your domain services. This probably doesn't solve all your ViewModel update problems as is, maybe you need to revise the granularity (maybe you can have smaller ViewModels that refresh single property that exposes the Model) and lifespan (sometimes you can create a ViewModel, make it perform it's task and then discard it completely) of your ViewModels.

• Async Methods after setting a property.
  2 projects | /r/csharp | 16 Mar 2023

  If you're finding yourself in a situation where you need to turn this behavior into a pattern because there are a lot of View Models that need to execute async business logic in response to some changes, I'd go with something like MediatR or Reactive Extensions. The idea is, again, that some other, probably business-level, component listens to changes in a decoupled way (that means it doesn't subscribe directly to your View Model, but to an event bus instead). View Model publishes change events to the event bus, and business-component reacts to these events by executing the business logic.

• I don't get why I should use Redux
  6 projects | /r/webdev | 9 Mar 2023

  What people really want is to design the logic of an app independently from the component hierarchy. That means you need to store state somewhere other than the components and you need to dispatch events that are not attached to the component hierarchy. Also, a one way data flow has well known benefits as described by things like CQRS, RabbitMQ, and MediatR.