syntax_data: {"ast_node_type":"other","tokens":[{"end":69,"kind":"keyword","start":0,"text":"|"}]}
source_snippet:                 | BlockFrame::Statement { ignores_expr_result: ign },
context_before:                 BlockFrame::TailExpr { info: BlockTailInfo { tail_result_is_ignored: ign, .. } }
context_after:             ) => *ign,