A set of S7 classes and Class unions that help establish S7 method dispatch.
These classes were made to re-export several vctrs
functions such that
internals for plyxp
were consistent with room for optimization.
Format
An object of class S7_union
of length 1.
An object of class classRepresentation
of length 1.
An object of class classRepresentation
of length 1.