Macro icu_properties_data::impliterable_props_jt_v1

macro_rules! impliterable_props_jt_v1 {
    ($ provider : ty) => { ... };
}

Implement IterableDataProvider<JoiningTypeV1Marker> on the given struct using the data hardcoded in this file. This allows the struct to be used with DatagenDriver for this key.