foo.bar &&= baz ^^^^^^^^^^^^^^^
foo.bar ||= baz ^^^^^^^^^^^^^^^
@@foo ^^^^^
@@foo, = bar ^^^^^
Foo::Bar, = baz ^^^^^^^^
$foo ^^^^
$foo, = bar ^^^^
/foo #{bar}/ ^^^^^^^^^^^^
def foo(**bar); end ^^^^^ def foo(**); end ^^
foo ^^^
foo, = bar ^^^
Visit one side of an alias global variable node.
-> { it } ^^