eieio-class-slot-name-index

eieio-class-slot-name-index is a compiled Lisp function in `eieio-core.el'.

(eieio-class-slot-name-index CLASS SLOT)

In CLASS find the index of the named SLOT.
The slot is a symbol which is installed in CLASS by the `defclass'
call. If SLOT is the value created with :initarg instead,
reverse-lookup that name, and recurse with the associated slot value.