patch 8.2.1026: Vim9: cannot break the line after "->"
Problem: Vim9: cannot break the line after "->".
Solution: Check for a continuation line after "->", "[" and ".". Ignore
trailing white space.
diff --git a/src/testdir/test_vim9_expr.vim b/src/testdir/test_vim9_expr.vim
index 224f4fd..05a3cd6 100644
--- a/src/testdir/test_vim9_expr.vim
+++ b/src/testdir/test_vim9_expr.vim
@@ -1029,6 +1029,21 @@
assert_equal(123, d.key)
enddef
+def Test_expr7_subscript_linebreak()
+ let range = range(
+ 3)
+ let l = range->
+ map('string(v:key)')
+ assert_equal(['0', '1', '2'], l)
+
+ assert_equal('1', l[
+ 1])
+
+ let d = #{one: 33}
+ assert_equal(33, d.
+ one)
+enddef
+
func Test_expr7_trailing_fails()
call CheckDefFailure(['let l = [2]', 'l->{l -> add(l, 8)}'], 'E107')