Add `del()` and `delAny()` to `HshIdx`.

1 files changed, 11 insertions, 0 deletions

diff --git a/include/qntan/Qntan.h b/include/qntan/Qntan.h
index 3d23892..cee1af1 100644
--- a/include/qntan/Qntan.h
+++ b/include/qntan/Qntan.h
@@ -865,6 +865,17 @@ struct Qntan_HshIdx {
 	 * possibility of `get()` to return SEVERAL items for certain other
 	 * indexes. no?
 	 */
+	int  (*del)( struct Qntan_HshIdx**, void*srch, void*ptrToDst, int idx );
+	/* Returns 0 if nothing was removed (eg there's no matching object).
+	 * Returns 1 if found object got moved to 'ptrToDst'.
+	 * Returns negative values on error.
+	 */
+	int  (*delAny)( struct Qntan_HshIdx**, void*ptrToDst );
+	/* Returns 0 if nothing was removed (eg there are no elements).
+	 * Returns 1 if any object got moved to 'ptrToDst'. It is UNSPECIFIED which
+	 * elements gets removed.
+	 * Returns negative values on error.
+	 */
 	int  (*swap)( struct Qntan_HshIdx**, void*elm, void*ptrToDst, int idx );
 	/* Returns 0 if 'elm' got copied into the hashtable.
 	 * Returns 1 is similar to 'Return 0'. BUT: a matching element did already