{"ast_node_type":"other","tokens":[{"end":67,"kind":"keyword","start":0,"text":"f.debug_tuple(\"Foo\").field(&self.0).field(&self.1).finish()"}]}
        f.debug_tuple("Foo").field(&self.0).field(&self.1).finish()
    $0fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
    }