pub trait MetricsGroup:
    Any
    + Iterable
    + IntoIterable
    + Debug
    + 'static
    + Send
    + Sync {
    // Required method
    fn name(&self) -> &'static str;
    // Provided method
    fn iter(&self) -> FieldIter<'_> ⓘ { ... }
}Expand description
Trait for structs containing metric items.