patch 8.1.1888: more functions can be used as methods
Problem: More functions can be used as methods.
Solution: Make various functions usable as a method.
diff --git a/src/testdir/test_hide.vim b/src/testdir/test_hide.vim
index 128b8ff..41b1a4a 100644
--- a/src/testdir/test_hide.vim
+++ b/src/testdir/test_hide.vim
@@ -37,7 +37,7 @@
" :hide as a command
hide
call assert_equal([orig_bname, orig_winnr], [bufname(''), winnr('$')])
- call assert_equal([1, 1], [buflisted('Xf1'), bufloaded('Xf1')])
+ call assert_equal([1, 1], ['Xf1'->buflisted(), 'Xf1'->bufloaded()])
bwipeout! Xf1
new Xf1