patch 8.2.1067: expression "!expr->func()" does not work
Problem: Expression "!expr->func()" does not work.
Solution: Apply plus and minus earlier. (closes #6348)
diff --git a/src/testdir/test_expr.vim b/src/testdir/test_expr.vim
index ec73aea..c5dd1f3 100644
--- a/src/testdir/test_expr.vim
+++ b/src/testdir/test_expr.vim
@@ -110,6 +110,13 @@
call assert_fails('echo "\<C-">')
endfunc
+func Test_method_with_prefix()
+ call assert_equal(1, !range(5)->empty())
+ call assert_equal([0, 1, 2], --3->range())
+ call assert_equal(0, !-3)
+ call assert_equal(1, !+-+0)
+endfunc
+
func Test_option_value()
" boolean
set bri