pub fn from_value(value: &str) -> Option<CacheControl> {
        let mut ret = CacheControl::default();
        for token in value.split(',') {
            let mut key_value = token.split('=').map(str::trim);

            match key_value.next()? {
                "public" => ret.cachability = Some(Cachability::Public),
                "private" => ret.cachability = Some(Cachability::Private),
                "no-cache" => ret.cachability = Some(Cachability::NoCache),
                "only-if-cached" => ret.cachability = Some(Cachability::OnlyIfCached),
                "max-age" => {
                    let val = key_value.next()?.parse().ok()?;
                    ret.max_age = Some(Duration::from_secs(val));
                }
                "max-stale" => {
                    let val = key_value.next()?.parse().ok()?;
                    ret.max_stale = Some(Duration::from_secs(val));
                }
                "min-fresh" => {
                    let val = key_value.next()?.parse().ok()?;
                    ret.min_fresh = Some(Duration::from_secs(val));
                }
                "must-revalidate" => ret.must_revalidate = true,
                "proxy-revalidate" => ret.proxy_revalidate = true,
                "immutable" => ret.immutable = true,
                "no-store" => ret.no_store = true,
                "no-transform" => ret.no_transform = true,
                _ => (),
            };
        }
        Some(ret)
    }
/// Parses the value of the Cache-Control header (i.e. everything after "Cache-Control:").
Parses the value of the Cache-Control header .
Parses the value of the Cache - Control header .
pub fn from_value(value: &str) -> Option<CacheControl> {
        let mut ret = CacheControl::default();
        for token in value.split(',') {
            let mut key_value = token.split('=').map(str::trim);
            match key_value.next()? {
                "public" => ret.cachability = Some(Cachability::Public),
                "private" => ret.cachability = Some(Cachability::Private),
                "no-cache" => ret.cachability = Some(Cachability::NoCache),
                "only-if-cached" => ret.cachability = Some(Cachability::OnlyIfCached),
                "max-age" => {
                    let val = key_value.next()?.parse().ok()?;
                    ret.max_age = Some(Duration::from_secs(val));
                }
                "max-stale" => {
                    let val = key_value.next()?.parse().ok()?;
                    ret.max_stale = Some(Duration::from_secs(val));
                }
                "min-fresh" => {
                    let val = key_value.next()?.parse().ok()?;
                    ret.min_fresh = Some(Duration::from_secs(val));
                }
                "must-revalidate" => ret.must_revalidate = true,
                "proxy-revalidate" => ret.proxy_revalidate = true,
                "immutable" => ret.immutable = true,
                "no-store" => ret.no_store = true,
                "no-transform" => ret.no_transform = true,
                _ => (),
            };
        }
        Some(ret)
    }
pub fn from_value ( value : & str ) -> Option < CacheControl > { let mut ret = CacheControl :: default ( ) ; for token in value . split ( ',' ) { let mut key_value = token . split ( '=' ) . map ( str :: trim ) ; match key_value . next ( ) ? { " " => ret . cachability = Some ( Cachability :: Public ) , " " => ret . cachability = Some ( Cachability :: Private ) , " " => ret . cachability = Some ( Cachability :: NoCache ) , " " => ret . cachability = Some ( Cachability :: OnlyIfCached ) , " " => { let val = key_value . next ( ) ? . parse ( ) . ok ( ) ? ; ret . max_age = Some ( Duration :: from_secs ( val ) ) ; } " " => { let val = key_value . next ( ) ? . parse ( ) . ok ( ) ? ; ret . max_stale = Some ( Duration :: from_secs ( val ) ) ; } " " => { let val = key_value . next ( ) ? . parse ( ) . ok ( ) ? ; ret . min_fresh = Some ( Duration :: from_secs ( val ) ) ; } " " => ret . must_revalidate = true , " " => ret . proxy_revalidate = true , " " => ret . immutable = true , " " => ret . no_store = true , " " => ret . no_transform = true , _ => ( ) , } ; } Some ( ret ) }
Parses the value of the Cache-Control header (i.e.
Parses the value of the Cache - Control header ( i . e .
value
&str
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&str