{"ast_node_type":"variable","tokens":[{"end":46,"kind":"keyword","start":0,"text":"let"}]}
        let hir_id = self.lower_node_id(b.id);
    ) -> &'hir hir::Block<'hir> {
        self.arena.alloc(self.lower_block_noalloc(hir_id, b, targeted_by_break))