//! Digital I/O
#[cfg(feature ="unproven")]pubuseembedded_hal::digital::InputPin;/// 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);}