Patch 8.2.2071
Problem:    Vim9: list assign doesn't except empty remainder list.
Solution:   Recognize list assignment with ";".
Files:      src/ex_docmd.c, src/testdir/test_vim9_assign.vim


*** ../vim-8.2.2070/src/ex_docmd.c      2020-11-28 21:21:13.830682201 +0100
--- src/ex_docmd.c      2020-11-30 20:57:25.778465796 +0100
***************
*** 3356,3362 ****
            if (*eap->cmd == '[')
            {
                p = to_name_const_end(eap->cmd);
!               if (p == eap->cmd || *skipwhite(p) != '=')
                {
                    eap->cmdidx = CMD_eval;
                    return eap->cmd;
--- 3356,3369 ----
            if (*eap->cmd == '[')
            {
                p = to_name_const_end(eap->cmd);
!               if (p == eap->cmd && *p == '[')
!               {
!                   int count = 0;
!                   int semicolon = FALSE;
! 
!                   p = skip_var_list(eap->cmd, TRUE, &count, &semicolon, TRUE);
!               }
!               if (p == NULL || p == eap->cmd || *skipwhite(p) != '=')
                {
                    eap->cmdidx = CMD_eval;
                    return eap->cmd;
*** ../vim-8.2.2070/src/testdir/test_vim9_assign.vim    2020-11-28 
21:21:13.830682201 +0100
--- src/testdir/test_vim9_assign.vim    2020-11-30 20:46:50.541298485 +0100
***************
*** 632,661 ****
  enddef
  
  def Test_assignment_var_list()
!   var v1: string
!   var v2: string
!   var vrem: list<string>
!   [v1] = ['aaa']
!   assert_equal('aaa', v1)
! 
!   [v1, v2] = ['one', 'two']
!   assert_equal('one', v1)
!   assert_equal('two', v2)
! 
!   [v1, v2; vrem] = ['one', 'two']
!   assert_equal('one', v1)
!   assert_equal('two', v2)
!   assert_equal([], vrem)
! 
!   [v1, v2; vrem] = ['one', 'two', 'three']
!   assert_equal('one', v1)
!   assert_equal('two', v2)
!   assert_equal(['three'], vrem)
! 
!   [&ts, &sw] = [3, 4]
!   assert_equal(3, &ts)
!   assert_equal(4, &sw)
!   set ts=8 sw=4
  enddef
  
  def Test_assignment_vim9script()
--- 632,664 ----
  enddef
  
  def Test_assignment_var_list()
!   var lines =<< trim END
!       var v1: string
!       var v2: string
!       var vrem: list<string>
!       [v1] = ['aaa']
!       assert_equal('aaa', v1)
! 
!       [v1, v2] = ['one', 'two']
!       assert_equal('one', v1)
!       assert_equal('two', v2)
! 
!       [v1, v2; vrem] = ['one', 'two']
!       assert_equal('one', v1)
!       assert_equal('two', v2)
!       assert_equal([], vrem)
! 
!       [v1, v2; vrem] = ['one', 'two', 'three']
!       assert_equal('one', v1)
!       assert_equal('two', v2)
!       assert_equal(['three'], vrem)
! 
!       [&ts, &sw] = [3, 4]
!       assert_equal(3, &ts)
!       assert_equal(4, &sw)
!       set ts=8 sw=4
!   END
!   CheckDefAndScriptSuccess(lines)
  enddef
  
  def Test_assignment_vim9script()
*** ../vim-8.2.2070/src/version.c       2020-11-30 17:40:41.303714382 +0100
--- src/version.c       2020-11-30 21:12:01.971206730 +0100
***************
*** 752,753 ****
--- 752,755 ----
  {   /* Add new patch number below this line */
+ /**/
+     2071,
  /**/

-- 
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BLACK KNIGHT:  I move for no man.
                                  The Quest for the Holy Grail (Monty Python)

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