New feature that came out with minimal APIs in .NET 7 preview 5 (devblogs.microsoft.com/dotnet/asp-net…), the ability to declare parameter list surrogates: #dotnet #aspnetcore 
You can refactor long argument lists into structs as a "zero cost abstraction". The struct's members will be bound as if they were parameters declared on the method.
It's not all or nothing, you can also do this with a subset of the parameters:
You can also have multiple!
The key to this feature was making it:
- Unambiguous - It should easy to distinguish what comes from the body and what is a parameter surrogate.
- Efficient - Make it as efficient as possible to refactor the argument list without performance overhead.
- Unambiguous - It should easy to distinguish what comes from the body and what is a parameter surrogate.
- Efficient - Make it as efficient as possible to refactor the argument list without performance overhead.
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