//! Digital I/O
/// Single digital output pin
pubtraitOutputPin{/// Is the output pin high?
fnis_high(&self)->bool;/// Is the output pin low?
fnis_low(&self)->bool;/// Sets the pin low
fnset_low(&mutself);/// Sets the pin high
fnset_high(&mutself);}/// Single digital input pin
#[cfg(feature ="unproven")]pubtraitInputPin{/// Is the input pin high?
fnis_high(&self)->bool;/// Is the input pin low?
fnis_low(&self)->bool;}