eq
#emacs28.2
#data.c
https://github.com/emacs-mirror/emacs/blob/emacs-28.2/src/data.c#L173-L181
code: data.c
DEFUN ("eq", Feq, Seq, 2, 2, 0,
doc: /* Return t if the two args are the same Lisp object. */
attributes: const)
(Lisp_Object obj1, Lisp_Object obj2)
{
if (EQ (obj1, obj2))
return Qt;
return Qnil;
}