eieio--class-default-object-cache

eieio--class-default-object-cache is a Lisp macro in `eieio-core.el'.

(eieio--class-default-object-cache X)

Return what a newly created object would look like.
This will speed up instantiation time as only a `copy-sequence' will
be needed, instead of looping over all the values and setting them
from the default.