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Summary
Removes the "virtual struct" (aka struct inheritance) feature, which is currently feature gated.
Motivation
Virtual structs were added experimentally prior to the RFC process as a way of inheriting fields from one struct when defining a new struct.
The feature was introduced and remains behind a feature gate.
The motivations for removing this feature altogether are:
Detailed design
Remove the implementation and feature gate for virtual structs.
Retain the
virtual
keyword as reserved for possible future use.Drawbacks
The language will no longer offer any built-in mechanism for avoiding repetition of struct fields. Macros offer a reasonable workaround until a more general mechanism is added.
Unresolved questions
None known.