{"ast_node_type":"other","tokens":[{"end":132,"kind":"keyword","start":0,"text":"ExchangeMalloc,"}]}
    ExchangeMalloc,          sym::exchange_malloc,     exchange_malloc_fn,         Target::Fn,             GenericRequirement::None;
    DropInPlace,             sym::drop_in_place,       drop_in_place_fn,           Target::Fn,             GenericRequirement::Minimum(1);