Remove "loser" messages in challenges
The point of challenges is not to "win", but to reach a highscore, so we need not to rub failure into the player's face.
pub type GearId = u16;
pub trait GearData {}
pub trait GearDataProcessor<T: GearData> {
fn add(&mut self, gear_id: GearId, gear_data: T);
}
pub trait GearDataAggregator<T: GearData> {
fn find_processor(&mut self) -> &mut GearDataProcessor<T>;
}