commit 05e59e3a9ffddbf93c7af02cd2ba1d0f822d4625
author Yegappan Lakshmanan <yegappan@yahoo.com> Wed Dec 01 10:30:07 2021 +0000
committer Bram Moolenaar <Bram@vim.org> Wed Dec 01 10:30:07 2021 +0000
tree b178bddbd7f7ea74e4dee6dbf762f79ff6e6aaa6
parent 56a8ffdb6e903615ed824a503f5fa6382b5b3df5

patch 8.2.3712: cannot use Vim9 lambda for 'tagfunc'

Problem:    Cannot use Vim9 lambda for 'tagfunc'.
Solution:   Make it work, add more tests. (Yegappan Lakshmanan, closes #9250)

src/option.c

diff --git a/src/option.c b/src/option.c
index fd1910c..94468d2 100644
--- a/src/option.c
+++ b/src/option.c
@@ -7187,7 +7187,7 @@
 	return OK;
     }
 
-    if (*optval == '{'
+    if (*optval == '{' || (in_vim9script() && *optval == '(')
 	    || (STRNCMP(optval, "function(", 9) == 0)
 	    || (STRNCMP(optval, "funcref(", 8) == 0))
 	// Lambda expression or a funcref