syntax_data: {"ast_node_type":"other","tokens":[{"end":45,"kind":"keyword","start":0,"text":"Ok((tcx.alloc_steal_thir(cx.thir),"}]}
source_snippet:     Ok((tcx.alloc_steal_thir(cx.thir), expr))
context_before:     let expr = cx.mirror_expr(body.value);
context_after: }