size and alignment are considered "reserved words" for Namer purposes.

See:

This is because these identifiers are used in the flatbuffers::Push trait. See: https://docs.rs/flatbuffers/latest/flatbuffers/trait.Push.html#provided-methods.

Can we consider removing these identifiers as reserved keywords? size is an especially common field name. Usages of the respective Push methods (which I expect are rare) can always be done via universal function call syntax (i.e. Push::size(&value) instead of value.size()).