syntax_data: {"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"rustc_hir::BodyOwnerKind::Fn"}]}
source_snippet:             rustc_hir::BodyOwnerKind::Fn | rustc_hir::BodyOwnerKind::Closure => {
context_before:         let body_type = match tcx.hir_body_owner_kind(def) {
context_after:                 // fetch the fully liberated fn signature (that is, all bound