{"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"self.span_stacks.iter().map(|stack|"}]}
        self.span_stacks.iter().map(|stack| *stack.last().expect("empty span stack")).collect()
    pub fn spans(&self) -> SmallVec<[MirSpan; 3]> {
    }