patch 8.2.2739: Vim9: a lambda accepts too many arguments at the script level
Problem: Vim9: a lambda accepts too many arguments at the script level.
Solution: Do not set uf_varargs in Vim9 script.
diff --git a/src/testdir/test_vim9_func.vim b/src/testdir/test_vim9_func.vim
index 730cf40..b0669fe 100644
--- a/src/testdir/test_vim9_func.vim
+++ b/src/testdir/test_vim9_func.vim
@@ -836,6 +836,11 @@
enddef
END
CheckDefFailure(lines, 'E1167:')
+
+ lines =<< trim END
+ echo ((a) => a)('aa', 'bb')
+ END
+ CheckDefAndScriptFailure(lines, 'E118:', 1)
enddef
def FilterWithCond(x: string, Cond: func(string): bool): bool
@@ -2114,7 +2119,7 @@
->substitute("('", ' ', '')
->substitute("')", '', '')
->substitute('function\zs', ' ', ''))
- assert_match('def <lambda>\d\+(_: any, ...): number\n1 return 0\n enddef', body)
+ assert_match('def <lambda>\d\+(_: any): number\n1 return 0\n enddef', body)
enddef
def DoFilterThis(a: string): list<string>
@@ -2363,7 +2368,7 @@
vim9script
au BufWinLeave * #
def Func()
- popup_menu('', {callback: () => popup_create('', {})->popup_close()})
+ popup_menu('', {callback: (a, b) => popup_create('', {})->popup_close()})
eval [][0]
enddef
nno <F3> <cmd>call <sid>Func()<cr>
diff --git a/src/testdir/test_vim9_script.vim b/src/testdir/test_vim9_script.vim
index cb1592a..98f40bb 100644
--- a/src/testdir/test_vim9_script.vim
+++ b/src/testdir/test_vim9_script.vim
@@ -3518,7 +3518,7 @@
vim9script
set cpo+=M
exe 'set rtp^=' .. getcwd() .. '/Xdir'
- au CmdlineEnter : ++once timer_start(0, () => script#func())
+ au CmdlineEnter : ++once timer_start(0, (_) => script#func())
setline(1, 'some text')
END
call writefile(lines, 'XTest_redraw_cpo')