/// The host name in this prefix
///
/// This is the name of the server if the server had sent the message
The host name in this prefix
This is the name of the server if the server had sent the message
The host name in this prefix This is the name of the server if the server had sent the message
pub fn host(&'t self) -> Option<&Cow<'t, str>> {
        match self {
            Prefix::Server { host } => Some(host),
            _ => None,
        }
    }
pub fn host ( & ' t self ) -> Option < & Cow < ' t , str > > { match self { Prefix :: Server { host } => Some ( host ) , _ => None , } }
The host name in this prefix
This is the name of the server if the server had sent the message
The host name in this prefix This is the name of the server if the server had sent the message
&'t self