Macro ark_api::world::impl_world_accessor_indexed

macro_rules! impl_world_accessor_indexed {
    ($(#[$attr: meta])* $component_type: ident, $param_name: ident, $param_type: ty, $accessor_name: ident, $index_type: ty, $visibility: ident) => { ... };
}

Macro for implementing standard accessor trait, but with an index parameter.