write method
Is called when a value has to be encoded.
Implementation
@override
void write(BinaryWriter writer, UserRole obj) {
switch (obj) {
case UserRole.farmer:
writer.writeByte(0);
break;
case UserRole.buyer:
writer.writeByte(1);
break;
case UserRole.both:
writer.writeByte(2);
break;
}
}