fn current_size(&self) -> Option<u64> {
        self.connect().ok()
            .and_then(|c| cmd("INFO").query(&c).ok())
            .and_then(|i: InfoDict| i.get("used_memory"))
    }
/// Returns the current cache size. This value is aquired via
/// the Redis INFO command (used_memory).
Returns the current cache size. This value is aquired via
the Redis INFO command (used_memory).
Returns the current cache size . This value is aquired via the Redis INFO command ( used_memory ) .
fn current_size(&self) -> Option<u64> {
        self.connect().ok()
            .and_then(|c| cmd("INFO").query(&c).ok())
            .and_then(|i: InfoDict| i.get("used_memory"))
    }
fn current_size ( & self ) -> Option < u64 > { self . connect ( ) . ok ( ) . and_then ( | c | cmd ( " " ) . query ( & c ) . ok ( ) ) . and_then ( | i : InfoDict | i . get ( " " ) ) }
Returns the current cache size.
Returns the current cache size .
&self