Function: `gnus-search-engine-child-p`

gnus-search-engine-child-p is a for gnus-search-engine--eieio-childp, defined in gnus-search.el.gz.

This function is obsolete since 25.1; use (cl-typep ... 'gnus-search-engine) instead

Signature

(gnus-search-engine-child-p OBJ)

Return non-nil if OBJ is an object of type gnus-search-engine(var)/gnus-search-engine(fun) or a subclass.