Method visit_map

cranelift/module/src/module.rs:630–678

(self, mut map: A)

        #[inline]
        fn visit_map<A: MapAccess<'de>>(self, mut map: A) -> Result<Self::Value, A::Error> {
            let mut _version_marker: Option<VersionMarker> = None;
            let mut functions: Option<PrimaryMap<FuncId, FunctionDeclaration>> = None;
            let mut data_objects: Option<PrimaryMap<DataId, DataDeclaration>> = None;
            while let Some(key) = map.next_key::<ModuleDeclarationsField>()? {
                match key {
                    ModuleDeclarationsField::VersionMarker => {
                        if _version_marker.is_some() {
                            return Err(Error::duplicate_field("_version_marker"));
                        }
                        _version_marker = Some(map.next_value()?);
                    }
                    ModuleDeclarationsField::Functions => {
                        if functions.is_some() {
                            return Err(Error::duplicate_field("functions"));
                        }
                        functions = Some(map.next_value()?);
                    }
                    ModuleDeclarationsField::DataObjects => {
                        if data_objects.is_some() {
                            return Err(Error::duplicate_field("data_objects"));
                        }
                        data_objects = Some(map.next_value()?);
                    }
                    _ => {
                        map.next_value::<serde::de::IgnoredAny>()?;
                    }
                }
            }
            let _version_marker = match _version_marker {
                Some(_version_marker) => _version_marker,
                None => return Err(Error::missing_field("_version_marker")),
            };
            let functions = match functions {
                Some(functions) => functions,
                None => return Err(Error::missing_field("functions")),
            };
            let data_objects = match data_objects {
                Some(data_objects) => data_objects,
                None => return Err(Error::missing_field("data_objects")),
            };
            let names = get_names(&functions, &data_objects)?;
            Ok(ModuleDeclarations {
                _version_marker,
                names,
                functions,
                data_objects,
            })
        }
    }

    impl<'de> Deserialize<'de> for ModuleDeclarations {