pub trait PrintProgramError {
// Required method
fn print<E>(&self)
where E: 'static + Error + DecodeError<E> + PrintProgramError + FromPrimitive;
}
pub trait PrintProgramError {
// Required method
fn print<E>(&self)
where E: 'static + Error + DecodeError<E> + PrintProgramError + FromPrimitive;
}