ReadOnlySet is coming in .NET 9

by Jul 3, 2024

ReadOnlySet is coming in .NET 9

Say goodbye to issues with IReadOnlySet interface. No more casting back to mutable sets or creating custom read-only sets!

The latest Preview 6 version brings this new type.

I often prefer ISet above IList in Domain Driven Design.

Why? Because they guarantee unique elements in the collection.

It is often a requirement to prevent duplicate elements and ISet is perfect for this. Also, it comes with some nice methods to compare, merge, and create Subsets.

Remy van Duijkeren

Remy van Duijkeren

Power Platform Advisor

Microsoft Power Platform Advisor with over 25 years of experience in IT with a focus on (marketing) automation and integration.

Helping organizations with scaling their business by automating processes on the Power Platform (Dynamics 365).

Expert in Power Platform, Dynamics 365 (Marketing & Sales) and Azure Integration Services. Giving advice and strategy consultancy.

Services:
– Strategy and tactics advise
– Automating and integrating

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