Method func_namespace_name

crates/cpp/src/lib.rs:915–976

This describes the C++ side name

(
        &self,
        func: &Function,
        guest_export: bool,
        cpp_file: bool,
    )

    /// This describes the C++ side name
    fn func_namespace_name(
        &self,
        func: &Function,
        guest_export: bool,
        cpp_file: bool,
    ) -> (Vec<String>, String) {
        let (object, owner) = match &func.kind {
            FunctionKind::Freestanding => None,
            FunctionKind::Method(i) => Some(i),
            FunctionKind::Static(i) => Some(i),
            FunctionKind::Constructor(i) => Some(i),
            FunctionKind::AsyncFreestanding => todo!(),
            FunctionKind::AsyncMethod(_id) => todo!(),
            FunctionKind::AsyncStatic(_id) => todo!(),
        }
        .map(|i| {
            let ty = &self.resolve.types[*i];
            (ty.name.as_ref().unwrap().to_pascal_case(), ty.owner)
        })
        .unwrap_or((
            Default::default(),
            self.interface
                .map(TypeOwner::Interface)
                .unwrap_or(TypeOwner::World(self.r#gen.world_id.unwrap())),
        ));
        let mut namespace = namespace(self.resolve, &owner, guest_export, &self.r#gen.opts);
        let is_drop = is_special_method(func);
        let func_name_h = if !matches!(&func.kind, FunctionKind::Freestanding) {
            namespace.push(object.clone());
            if let FunctionKind::Constructor(_i) = &func.kind {
                // Fallible constructors return result<T, E> and are static factory methods
                let is_fallible_constructor =
                    self.r#gen.is_fallible_constructor(self.resolve, func);

                if is_fallible_constructor {
                    String::from("Create")
                } else if guest_export && cpp_file {
                    String::from("New")
                } else {
                    object.clone()
                }
            } else {
                match is_drop {
                    SpecialMethod::ResourceDrop => {
                        if guest_export {
                            "ResourceDrop".to_string()
                        } else {
                            "~".to_string() + &object
                        }
                    }
                    SpecialMethod::Dtor => "Dtor".to_string(),
                    SpecialMethod::ResourceNew => "ResourceNew".to_string(),
                    SpecialMethod::ResourceRep => "ResourceRep".to_string(),
                    SpecialMethod::Allocate => "New".to_string(),
                    SpecialMethod::None => func.item_name().to_pascal_case(),
                }
            }
        } else {