patch 8.2.2336: Vim9: not possible to extend dictionary with different type
Problem: Vim9: it is not possible to extend a dictionary with different
item types.
Solution: Add extendnew(). (closes #7666)
diff --git a/src/proto/list.pro b/src/proto/list.pro
index 2699050..b77add5 100644
--- a/src/proto/list.pro
+++ b/src/proto/list.pro
@@ -52,6 +52,7 @@
void f_add(typval_T *argvars, typval_T *rettv);
void f_count(typval_T *argvars, typval_T *rettv);
void f_extend(typval_T *argvars, typval_T *rettv);
+void f_extendnew(typval_T *argvars, typval_T *rettv);
void f_insert(typval_T *argvars, typval_T *rettv);
void f_remove(typval_T *argvars, typval_T *rettv);
void f_reverse(typval_T *argvars, typval_T *rettv);