patch 9.1.0071: Need a diff() Vim script function
Problem: Need a diff() Vim script function
Solution: Add the diff() Vim script function using the
xdiff internal diff library, add support for
"unified" and "indices" mode.
(Yegappan Lakshmanan)
fixes: #4241
closes: #12321
Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/typval.c b/src/typval.c
index af96b31..62958f6 100644
--- a/src/typval.c
+++ b/src/typval.c
@@ -623,6 +623,16 @@
|| check_for_dict_arg(args, idx) != FAIL) ? OK : FAIL;
}
+/*
+ * Check for an optional non-NULL dict argument at 'idx'
+ */
+ int
+check_for_opt_nonnull_dict_arg(typval_T *args, int idx)
+{
+ return (args[idx].v_type == VAR_UNKNOWN
+ || check_for_nonnull_dict_arg(args, idx) != FAIL) ? OK : FAIL;
+}
+
#if defined(FEAT_JOB_CHANNEL) || defined(PROTO)
/*
* Give an error and return FAIL unless "args[idx]" is a channel or a job.