57     fn record_fields(&self) -> Box<dyn Iterator<Item = (Cow<'_, str>, Self)> + '_> {  in record_fields()
59             return Box::new(std::iter::empty());  in record_fields()
61         Box::new(record.fields().map(|f| (f.name.into(), f.ty.clone())))  in record_fields()
64     fn tuple_element_types(&self) -> Box<dyn Iterator<Item = Self> + '_> {  in tuple_element_types()
66             return Box::new(std::iter::empty());  in tuple_element_types()
68         Box::new(tuple.types())  in tuple_element_types()
71     fn variant_cases(&self) -> Box<dyn Iterator<Item = (Cow<'_, str>, Option<Self>)> + '_> {  in variant_cases()
73             return Box::new(std::iter::empty());  in variant_cases()
75         Box::new(variant.cases().map(|case| (case.name.into(), case.ty)))  in variant_cases()
78     fn enum_cases(&self) -> Box<dyn Iterator<Item = Cow<'_, str>> + '_> {  in enum_cases()
80             return Box::new(std::iter::empty());  in enum_cases()
82         Box::new(enum_.names().map(Into::into))  in enum_cases()
94     fn flags_names(&self) -> Box<dyn Iterator<Item = Cow<'_, str>> + '_> {  in flags_names()
96             return Box::new(std::iter::empty());  in flags_names()
98         Box::new(flags.names().map(Into::into))  in flags_names()
212         let val = Self::Variant(case.to_string(), val.map(Box::new));  in make_variant()
224         let val = Self::Option(val.map(Box::new));  in make_option()
234             Ok(val) => Self::Result(Ok(val.map(Box::new))),  in make_result()
235             Err(val) => Self::Result(Err(val.map(Box::new))),  in make_result()
261     fn unwrap_list(&self) -> Box<dyn Iterator<Item = Cow<'_, Self>> + '_> {  in unwrap_list()
263         Box::new(list.iter().map(cow))  in unwrap_list()
265     fn unwrap_record(&self) -> Box<dyn Iterator<Item = (Cow<'_, str>, Cow<'_, Self>)> + '_> {  in unwrap_record()
267         Box::new(record.iter().map(|(name, val)| (name.into(), cow(val))))  in unwrap_record()
269     fn unwrap_tuple(&self) -> Box<dyn Iterator<Item = Cow<'_, Self>> + '_> {  in unwrap_tuple()
271         Box::new(tuple.iter().map(cow))  in unwrap_tuple()
291     fn unwrap_flags(&self) -> Box<dyn Iterator<Item = Cow<'_, str>> + '_> {  in unwrap_flags()
293         Box::new(flags.iter().map(Into::into))  in unwrap_flags()
407     fn params(&self) -> Box<dyn Iterator<Item = Self::Type> + '_> {  in params()
408         Box::new(self.params().map(|(_n, t)| t))  in params()
411     fn results(&self) -> Box<dyn Iterator<Item = Self::Type> + '_> {  in results()
412         Box::new(self.results())  in results()