{"ast_node_type":"variable","tokens":[{"end":58,"kind":"keyword","start":0,"text":"if"}]}
        if let DefKind::Closure = tcx.def_kind(body_owner)
    for body_owner in tcx.hir_body_owners() {
            && tcx.needs_coroutine_by_move_body_def_id(body_owner.to_def_id())