What kind of constructor something is.
Encodes if a DefKind::Ctor
is the constructor of an enum variant or a struct.
What kind of definition something is; e.g., mod
vs struct
.
enum DefPathData
may need to be updated if a new variant is added here.
Resolution for a lifetime appearing in a type.
Different kinds of symbols can coexist even if they share the same textual name.
Therefore, they each have a separate universe (known as a “namespace”).
An attribute that is not a macro; e.g., #[inline]
or #[rustfmt::skip]
.
The resolution of a path or export.