func GetMaxAge(r *http.Request) entry.LifeChanger {
	return func() time.Duration {
		cacheControlHeader := r.Header.Get("Cache-Control")
		// headerCacheDur returns the seconds
		headerCacheDur := entry.ParseMaxAge(cacheControlHeader)
		return time.Duration(headerCacheDur) * time.Second
	}
}
func GetMaxAge(r *http.Request) entry.LifeChanger {
	return func() time.Duration {
		cacheControlHeader := r.Header.Get("Cache-Control")
		
		headerCacheDur := entry.ParseMaxAge(cacheControlHeader)
		return time.Duration(headerCacheDur) * time.Second
	}
}
func GetMaxAge ( r * http . Request ) entry . LifeChanger { return func ( ) time . Duration { cacheControlHeader := r . Header . Get ( " " ) // headerCacheDur returns the seconds headerCacheDur := entry . ParseMaxAge ( cacheControlHeader ) return time . Duration ( headerCacheDur ) * time . Second } }
// GetMaxAge parses the "Cache-Control" header
// and returns a LifeChanger which can be passed
// to the response's Reset
GetMaxAge parses the Cache - Control header and returns a LifeChanger which can be passed to the response s Reset