{"ast_node_type":"other","tokens":[{"end":36,"kind":"keyword","start":0,"text":".map(|field_index|"}]}
                .map(|field_index| {
            let state_specific_fields: SmallVec<_> = (0..variant_layout.fields.count())
                    let coroutine_saved_local = coroutine_layout.variant_fields[variant_index]