pub(super) trait MetricLabel: Copy + 'static {
const VARIANTS: &'static [Self];
const COUNT: usize;
// Required method
fn as_index(self) -> usize;
}Required Associated Constants§
Required Methods§
Dyn Compatibility§
This trait is not dyn compatible.
In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.