Method decode

crates/client-api/src/util.rs:49–55

(values: &mut I)

    }

    fn decode<'i, I: Iterator<Item = &'i HeaderValue>>(values: &mut I) -> Result<Self, headers::Error> {
        let val = values.next().ok_or_else(headers::Error::invalid)?;
        let val = val.to_str().map_err(|_| headers::Error::invalid())?;
        let (first, _) = val.split_once(',').ok_or_else(headers::Error::invalid)?;
        let ip = first.trim().parse().map_err(|_| headers::Error::invalid())?;
        Ok(XForwardedFor(ip))
    }

    fn encode<E: Extend<HeaderValue>>(&self, values: &mut E) {
        values.extend([self.0.to_string().try_into().unwrap()])