pub fn synchronous(&self) -> bool {
        matches!(
            self,
            InstrumentKind::Counter | InstrumentKind::UpDownCounter | InstrumentKind::ValueRecorder
        )
    }
/// Whether this is a synchronous kind of instrument.
Whether this is a synchronous kind of instrument.
Whether this is a synchronous kind of instrument .
pub fn synchronous(&self) -> bool {
        matches!(
            self,
            InstrumentKind::Counter | InstrumentKind::UpDownCounter | InstrumentKind::ValueRecorder
        )
    }
pub fn synchronous ( & self ) -> bool { matches ! ( self InstrumentKind Counter InstrumentKind UpDownCounter InstrumentKind ValueRecorder ) }
Whether this is a synchronous kind of instrument.
Whether this is a synchronous kind of instrument .
&self
&self