Method add

debugger/testcases/gen_phantom.rs:22–25

add() returns a new `Length` struct containing the sum.

(self, rhs: Length<Unit>)

    // add() returns a new `Length` struct containing the sum.
    fn add(self, rhs: Length<Unit>) -> Length<Unit> {
        // `+` calls the `Add` implementation for `f64`.
        Length(self.0 + rhs.0, PhantomData)
    }
}

fn main() {