Module dep_obj::example

The dep_type and dep_obj macro expansion example.

dep_type! {
    #[derive(Debug)]
    pub struct MyDepType in MyDepTypeId {
        prop_1: bool = false,
        prop_2: i32 = 10,
    }
}

macro_attr! {
    #[derive(Component!, Debug)]
    struct MyDepTypePrivateData {
        dep_data: MyDepType,
    }
}

macro_attr! {
    #[derive(ComponentId!, Debug, Copy, Clone, Eq, PartialEq, Hash, Ord, PartialOrd)]
    pub struct MyDepTypeId(Id<MyDepTypePrivateData>);
}

macro_attr! {
    #[derive(State!, Debug)]
    pub struct MyApp {
        my_dep_types: Arena<MyDepTypePrivateData>,
    }
}

impl MyDepTypeId {
    pub fn new(app: &mut MyApp) -> MyDepTypeId {
        app.my_dep_types.insert(|id| (MyDepTypePrivateData {
            dep_data: MyDepType::new_priv()
        }, MyDepTypeId(id)))
    }

    dep_obj! {
        pub fn obj(self as this, app: MyApp) -> MyDepType {
            if mut {
                &mut app.my_dep_types[this.0].dep_data
            } else {
                &app.my_dep_types[this.0].dep_data
            }
        }
    }
}

Structs

MyApp

MyDepType

MyDepTypeId