syntax_data: {"ast_node_type":"variable","tokens":[{"end":92,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:             if let thir::Block { stmts: box [], expr: Some(e), .. } = &body.blocks[*block] {
context_before:         ExprKind::Block { block } => {
context_after:                 recurse_build(tcx, body, *e, root_span)?