diff --git a/m-array.h b/m-array.h
index 6c785e68..71acecdb 100644
--- a/m-array.h
+++ b/m-array.h
@@ -76,6 +76,10 @@
    ,IT_INSERT(M_C(name,_insert))                                        \
    ,IT_REMOVE(M_C(name,_remove))                                        \
    ,CLEAN(M_C(name,_clean))						\
+   ,SET_KEY(M_C(name, _set_at))                                         \
+   ,GET_KEY(M_C(name, _get))                                            \
+   ,M_IF_METHOD(INIT, oplist)(GET_SET_KEY(M_C(name, _get_at)) ,)        \
+   ,ERASE_KEY(M_C(name, _erase))                                        \
    ,PUSH(M_C(name,_push_back))						\
    ,POP(M_C(name,_pop_back))						\
    ,PUSH_MOVE(M_C(name,_push_move))                                     \
diff --git a/m-bptree.h b/m-bptree.h
index 2d3c93f3..05384538 100644
--- a/m-bptree.h
+++ b/m-bptree.h
@@ -80,6 +80,10 @@
    CLEAN(M_C(name,_clean)),						\
    GET_MIN(M_C(name,_min)),						\
    GET_MAX(M_C(name,_max)),						\
+   SET_KEY(M_C(name, _set_at)),                                         \
+   GET_KEY(M_C(name, _get)),                                            \
+   /*GET_SET_KEY(M_C(name, _get_at))*/,                                 \
+   ERASE_KEY(M_C(name, _erase)),                                        \
    M_IF_METHOD_BOTH(GET_STR, key_oplist, value_oplist)(GET_STR(M_C(name, _get_str)),), \
    M_IF_METHOD_BOTH(PARSE_STR, key_oplist, value_oplist)(PARSE_STR(M_C(name, _parse_str)),), \
    M_IF_METHOD_BOTH(OUT_STR, key_oplist, value_oplist)(OUT_STR(M_C(name, _out_str)),), \
diff --git a/m-dict.h b/m-dict.h
index 97cdce82..36911d7e 100644
--- a/m-dict.h
+++ b/m-dict.h
@@ -800,6 +800,10 @@
    IT_NEXT(M_C(name,_next)),						\
    IT_REF(M_C(name,_ref)),						\
    IT_CREF(M_C(name,_cref))						\
+   ,SET_KEY(M_C(name, _set_at))                                         \
+   ,GET_KEY(M_C(name, _get))                                            \
+   ,GET_SET_KEY(M_C(name, _get_at))                                     \
+   ,ERASE_KEY(M_C(name, _erase))                                        \
    ,OPLIST(PAIR_OPLIST(key_oplist, value_oplist))                       \
    ,M_IF_METHOD_BOTH(GET_STR, key_oplist, value_oplist)(GET_STR(M_C(name, _get_str)),) \
    ,M_IF_METHOD_BOTH(PARSE_STR, key_oplist, value_oplist)(PARSE_STR(M_C(name, _parse_str)),) \