Mercurial > vim

diff src/evalvars.c @ 24426:78343859f42d v8.2.2753

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
patch 8.2.2753: Vim9: cannot ignore an item in assignment unpack Commit: https://github.com/vim/vim/commit/f93bbd026205f36915312193784f987ad49fb114 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Apr 10 22:35:43 2021 +0200 patch 8.2.2753: Vim9: cannot ignore an item in assignment unpack Problem: Vim9: cannot ignore an item in assignment unpack. Solution: Allow using an underscore.
author Bram Moolenaar <Bram@vim.org>
date Sat, 10 Apr 2021 22:45:04 +0200
parents 96e0b898d5b4
children d2f9bdd938fa
line wrap: on
line diff
--- a/src/evalvars.c
+++ b/src/evalvars.c
@@ -970,8 +970,8 @@ ex_let_vars(
     {
 	arg = skipwhite(arg + 1);
 	++var_idx;
-	arg = ex_let_one(arg, &item->li_tv, TRUE, flags, (char_u *)",;]",
-								  op, var_idx);
+	arg = ex_let_one(arg, &item->li_tv, TRUE,
+			  flags | ASSIGN_UNPACK, (char_u *)",;]", op, var_idx);
 	item = item->li_next;
 	if (arg == NULL)
 	    return FAIL;
@@ -996,8 +996,8 @@ ex_let_vars(
 	    l->lv_refcount = 1;
 	    ++var_idx;
 
-	    arg = ex_let_one(skipwhite(arg + 1), &ltv, FALSE, flags,
-						   (char_u *)"]", op, var_idx);
+	    arg = ex_let_one(skipwhite(arg + 1), &ltv, FALSE,
+			    flags | ASSIGN_UNPACK, (char_u *)"]", op, var_idx);
 	    clear_tv(&ltv);
 	    if (arg == NULL)
 		return FAIL;
@@ -3190,7 +3190,9 @@ set_var_const(
     var_in_vim9script = is_script_local && current_script_is_vim9();
     if (var_in_vim9script && name[0] == '_' && name[1] == NUL)
     {
-	emsg(_(e_cannot_use_underscore_here));
+	// For "[a, _] = list" the underscore is ignored.
+	if ((flags & ASSIGN_UNPACK) == 0)
+	    emsg(_(e_cannot_use_underscore_here));
 	goto failed;
     }