patch 9.0.0345: error message for list argument could be clearer
Problem: Error message for list argument could be clearer.
Solution: Include the argument number. (Yegappan Lakshmanan, closes #11027)
diff --git a/src/typval.c b/src/typval.c
index 101f48f..12a741e 100644
--- a/src/typval.c
+++ b/src/typval.c
@@ -509,6 +509,23 @@
}
/*
+ * Give an error and return FAIL unless "args[idx]" is a non-NULL list.
+ */
+ int
+check_for_nonnull_list_arg(typval_T *args, int idx)
+{
+ if (check_for_list_arg(args, idx) == FAIL)
+ return FAIL;
+
+ if (args[idx].vval.v_list == NULL)
+ {
+ semsg(_(e_non_null_list_required_for_argument_nr), idx + 1);
+ return FAIL;
+ }
+ return OK;
+}
+
+/*
* Check for an optional list argument at 'idx'
*/
int