commit 586268721dd5d6e50903a8a457f02e0dda901856
author Bram Moolenaar <Bram@vim.org> Sat Aug 01 14:06:38 2020 +0200
committer Bram Moolenaar <Bram@vim.org> Sat Aug 01 14:06:38 2020 +0200
tree bc6334d9899191937f12bedaaf0e140f5e7c7e93
parent af50e899e70ee34d5356846afbea7d75701cb22b

patch 8.2.1337: Vim9: cannot use empty key in dict assignment

Problem:    Vim9: cannot use empty key in dict assignment.
Solution:   Allow empty key. (closes #6591)

src/testdir/test_vim9_script.vim

diff --git a/src/testdir/test_vim9_script.vim b/src/testdir/test_vim9_script.vim
index 405d487..ec63c6f 100644
--- a/src/testdir/test_vim9_script.vim
+++ b/src/testdir/test_vim9_script.vim
@@ -244,7 +244,10 @@
   # overwrite
   dict3['key'] = 'another'
 
-  call CheckDefExecFailure(['let dd = {}', 'dd[""] = 6'], 'E713:')
+  # empty key can be used
+  let dd = {}
+  dd[""] = 6
+  assert_equal({'': 6}, dd)
 
   # type becomes dict<any>
   let somedict = rand() > 0 ? #{a: 1, b: 2} : #{a: 'a', b: 'b'}
@@ -784,13 +787,6 @@
   assert_equal(300, n)
 
   try
-    d[''] = 3
-  catch /E713:/
-    n = 311
-  endtry
-  assert_equal(311, n)
-
-  try
     unlet g:does_not_exist
   catch /E108:/
     n = 322