[james_s_tayler]

I thought you could actually do that already?

I watched a talk about F# on YouTube recently and the guy said they used F# for domain logic and C# for plumbing code and he showed them working together...

[jen20]

The 'normal' approach to this is two different assemblies. There is, however, support in the CLR (I assume it still exists) for assemblies built from different languages - it's just not well exposed by tools.

[james_s_tayler]

Ah that must have been it.