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diff src/list.c @ 23982:9fcd71d0db89 v8.2.2533

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patch 8.2.2533: Vim9: cannot use a range with :unlet Commit: https://github.com/vim/vim/commit/5b5ae29bd3d7b832b6f15320430f7f191e0abd1f Author: Bram Moolenaar <Bram@vim.org> Date: Sat Feb 20 17:04:02 2021 +0100 patch 8.2.2533: Vim9: cannot use a range with :unlet Problem: Vim9: cannot use a range with :unlet. Solution: Implement ISN_UNLETRANGE.
author Bram Moolenaar <Bram@vim.org>
date Sat, 20 Feb 2021 17:15:03 +0100
parents 4b417b776b95
children 06da0685077b
line wrap: on
line diff
--- a/src/list.c
+++ b/src/list.c
@@ -531,6 +531,26 @@ list_find_str(list_T *l, long idx)
 }
 
 /*
+ * Like list_find() but when a negative index is used that is not found use
+ * zero and set "idx" to zero.  Used for first index of a range.
+ */
+    listitem_T *
+list_find_index(list_T *l, long *idx)
+{
+    listitem_T *li = list_find(l, *idx);
+
+    if (li == NULL)
+    {
+	if (*idx < 0)
+	{
+	    *idx = 0;
+	    li = list_find(l, *idx);
+	}
+    }
+    return li;
+}
+
+/*
  * Locate "item" list "l" and return its index.
  * Returns -1 when "item" is not in the list.
  */