Function required
pub fn required<S: Serializer>(span: &Span, se: S) -> Result<S::Ok, S::Error>Serialize a required Span in the friendly duration format
using compact designators.
requiredpub fn required<S: Serializer>(span: &Span, se: S) -> Result<S::Ok, S::Error>Serialize a required Span in the friendly duration format
using compact designators.