patch 8.2.2741: Vim9: Partial call does not check right arguments Commit: https://github.com/vim/vim/commit/1088b69451c739c698cf4c2003c2b994458ad18b Author: Bram Moolenaar <Bram@vim.org> Date: Fri Apr 9 22:12:44 2021 +0200 patch 8.2.2741: Vim9: Partial call does not check right arguments Problem: Vim9: Partial call does not check right arguments. Solution: Adjust the offset for whether the partial is before or after the arguments. (closes #8091)

--- a/src/testdir/test_vim9_func.vim
+++ b/src/testdir/test_vim9_func.vim
@@ -796,6 +796,8 @@ def Test_call_lambda_args()
     assert_equal('anything', Callback())
     assert_equal('anything', Callback(1))
     assert_equal('anything', Callback('a', 2))
+
+    assert_equal('xyz', ((a: string): string => a)('xyz'))
   END
   CheckDefAndScriptSuccess(lines)