def foo; end ^^^^^^^^^^^^
def self.foo; end ^^^^^^^^^^^^^^^^^
Visit an EnsureNode node.
false ^^^^^
for foo in bar do end ^^^^^^^^^^^^^^^^^^^^^
if foo then bar end ^^^^^^^^^^^^^^^^^^^
bar if foo ^^^^^^^^^^
foo ? bar : baz ^^^^^^^^^^^^^^^
case foo; in bar; end ^^^^^^^^^^^^^^^^^^^^^
A node that is missing from the syntax tree. This is only used in the case of a syntax error.
a or b ^^^^^^
The top-level program node.
retry ^^^^^