Macro hephae 

hephae!() { /* proc-macro */ }

The hephae! { ... } procedural macro for specifying Hephae plugins.

// You can define these plugin attributes in any order, as long as you only define it either zero or one times.
hephae! {
    // `atlas`: Requires the `"atlas"` feature, and does not accept any type arguments.
    atlas,
    // `locale`: Requires the `"locale"` feature, optionally accepts `(ArgConf, TargetConf)` type arguments.
    locale: ((MyLocaleArg1, MyLocaleArg2, ..), (MyTarget1, MyTarget2, ..)),
    // `render`: Always available, optionally accepts `(VertexConf, DrawerConf)` type arguments.
    render: ((MyVertex1, MyVertex2, ..), (MyDrawer1, MyDrawer2, ..)),
    // `text`: Requires the `"text"` feature, and does not accept any type arguments.
    text,
    // `ui`: Requires the `"ui"` feature, optionally accepts `(MeasureConf, RootConf)` type arguments.
    ui: ((MyMeasurer1, MyMeasurer2, ..), (MyRoot1, MyRoot2, ..)),
    // You can also tell the macro to include every Hephae features via the feature flags with their default settings.
    // Note that this `..` syntax must appear at the very last.
    ..
}