use sark_http::request::{self, span};
use crate::request::frame::{self, proof};
#[repr(transparent)]
#[derive(Clone, Copy)]
pub struct Maybe(Option<span::Span>);
impl frame::Seal for Maybe {}
impl proof::Proof for Maybe {
fn try_from(layout: request::Layout) -> Result<Self, request::Error> {
Ok(Self(layout.authority()))
}
fn span(self) -> Option<span::Span> {
self.0
}
}