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//! International system of units. use unit::BaseUnit; pub struct Meter; impl BaseUnit for Meter { const NAME: &'static str = "m"; } pub struct Second; impl BaseUnit for Second { const NAME: &'static str = "s"; } pub struct Kg; impl BaseUnit for Kg { const NAME: &'static str = "kg"; } pub struct Ampere; impl BaseUnit for Ampere { const NAME: &'static str = "A"; }