SYNOPSIS
	mixed *map_objects(object *arr, string fun, mixed extra, ...)

DESCRIPTION
	Similar to map_array(), but calls arr[n]->fun(extra,...). The
	returned value replaces the object in returned array.
	Any number of extra arguments is allowed, which are all
	passed. 0-entries in arr are ignored.

SEE ALSO
	map_array(E), filter_array(E), filter_objects(E)
