patch 8.2.3177: Vim9: can not use "for _ in expr" at script level
Problem: Vim9: can not use "for _ in expr" at script level.
Solution: Skip assignment if the loop variable is "_".
diff --git a/src/testdir/test_vim9_script.vim b/src/testdir/test_vim9_script.vim
index bd06f7a..592da6d 100644
--- a/src/testdir/test_vim9_script.vim
+++ b/src/testdir/test_vim9_script.vim
@@ -2557,6 +2557,12 @@
dd.counter = 12
endfor
assert_equal([{a: 'Cat', counter: 12}], foo)
+
+ reslist = []
+ for _ in range(3)
+ reslist->add('x')
+ endfor
+ assert_equal(['x', 'x', 'x'], reslist)
END
CheckDefAndScriptSuccess(lines)
enddef