Described here

https://stackoverflow.com/questions/8154730/object-expression-for-abstract-class-without-abstract-members

I propose we allow it because it's necessary when base class has protected constructor.

The existing way of approaching this problem in F# is ...

Define top level class that only invokes base constructor.

Pros and Cons

The advantages of making this adjustment to F# are ...
Better inter-op with existing NET libraries.

The disadvantages of making this adjustment to F# are ...
Extra work.

Extra information

Estimated cost (XS, S, M, L, XL, XXL):
No idea.

Affidavit (please submit!)

Please tick this by placing a cross in the box:

• [x ] This is not a question (e.g. like one you might ask on stackoverflow) and I have searched stackoverflow for discussions of this issue
• [ x] I have searched both open and closed suggestions on this site and believe this is not a duplicate
• [ x] This is not something which has obviously "already been decided" in previous versions of F#. If you're questioning a fundamental design decision that has obviously already been taken (e.g. "Make F# untyped") then please don't submit it.

Please tick all that apply:

• [ x] This is not a breaking change to the F# language design
• I or my company would be willing to help implement and/or test this