Lines Matching defs:empty
159 WordSet empty; /* cached, for speed */
362 WordVec* empty;
379 empty = new_WV_of_size( wsu, 0 );
380 wsu->empty = add_or_dealloc_WordVec( wsu, empty );
397 return wsu->empty;
405 tl_assert(ws == wsu->empty);
408 tl_assert(ws != wsu->empty);
468 return; // we never die the empty set.
655 /* special case empty set */
657 tl_assert(ws == wsu->empty);
689 tl_assert(result == wsu->empty);
839 tl_assert(ws_new == wsu->empty);
915 tl_assert(ws_new == wsu->empty);