Implement IReadOnlyCollection<'T> in list<'T>
.Net 4.5 has a new type IReadOnlyCollection<'T> and list<'T> (a.k.a. FSharpList<'T>) fits this interface precisely, so I think it should implement it.
There is a new user voice site for managing suggestions specifically related to the F# language design. https://fslang.uservoice.com/forums/245727-general
Please move this item there and link back to this entry, as the Visual Studio User Voice site is best used for suggestions related to the Visual F# Tools (rather than the language itself).
Don Syme, for the Visual F# Tools team