To: vim_dev@googlegroups.com
Subject: Patch 8.2.2053
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
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------------

Patch 8.2.2053
Problem:    Vim9: lamba doesn't accept argument types.
Solution:   Optionally accept argument types at the script level.
Files:      src/eval.c, src/testdir/test_vim9_expr.vim


*** ../vim-8.2.2052/src/eval.c	2020-11-23 08:31:14.101789113 +0100
--- src/eval.c	2020-11-25 21:26:24.239055411 +0100
***************
*** 3266,3272 ****
       * Lambda: {arg, arg -> expr}
       * Dictionary: {'key': val, 'key': val}
       */
!     case '{':	ret = get_lambda_tv(arg, rettv, FALSE, evalarg);
  		if (ret == NOTDONE)
  		    ret = eval_dict(arg, rettv, evalarg, FALSE);
  		break;
--- 3266,3272 ----
       * Lambda: {arg, arg -> expr}
       * Dictionary: {'key': val, 'key': val}
       */
!     case '{':	ret = get_lambda_tv(arg, rettv, in_vim9script(), evalarg);
  		if (ret == NOTDONE)
  		    ret = eval_dict(arg, rettv, evalarg, FALSE);
  		break;
*** ../vim-8.2.2052/src/testdir/test_vim9_expr.vim	2020-11-19 18:53:15.188492574 +0100
--- src/testdir/test_vim9_expr.vim	2020-11-25 21:06:36.592764161 +0100
***************
*** 1828,1833 ****
--- 1828,1836 ----
  
        assert_equal(false, LambdaUsingArg(0)())
        assert_equal(true, LambdaUsingArg(1)())
+ 
+       var res = map([1, 2, 3], {i: number, v: number -> i + v})
+       assert_equal([1, 3, 5], res)
    END
    CheckDefAndScriptSuccess(lines)
  
*** ../vim-8.2.2052/src/version.c	2020-11-25 20:09:05.517445569 +0100
--- src/version.c	2020-11-25 21:27:30.370771696 +0100
***************
*** 752,753 ****
--- 752,755 ----
  {   /* Add new patch number below this line */
+ /**/
+     2053,
  /**/

-- 
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GUARD #1:  But then of course African swallows are not migratory.
GUARD #2:  Oh, yeah...
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 /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
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