Macro re_viewer_context::impl_component_fallback_provider

macro_rules! impl_component_fallback_provider {
    ($type:ty => [$($component:ty),*]) => { ... };
}

Implements the ComponentFallbackProvider trait for a given type, using a number of TypedComponentFallbackProvider.

Usage examples:

impl_component_fallback_provider!(MySystem => []);              // Empty fallback provider
impl_component_fallback_provider!(MySystem => [Color, Text]);   // Fallback provider handling the Color and Text components.