fn enabled_streams(&self) -> Vec<&dyn Stream> {
        self.all_streams()
            .into_iter()
            .filter(|&stream| self.is_enabled(stream))
            .collect()
    }
/// Return shared references of the underlying *enabled* streams.
Return shared references of the underlying *enabled* streams.
Return shared references of the underlying * enabled * streams .
fn enabled_streams(&self) -> Vec<&dyn Stream> {
        self.all_streams()
            .into_iter()
            .filter(|&stream| self.is_enabled(stream))
            .collect()
    }
fn enabled_streams ( & self ) -> Vec < & dyn Stream > { self . all_streams ( ) . into_iter ( ) . filter ( | & stream | self . is_enabled ( stream ) ) . collect ( ) }
Return shared references of the underlying *enabled* streams.
Return shared references of the underlying * enabled * streams .
&self
&self