rust-shadowing-bug

static OVERRIDE: f32 = 300f32;

fn main() {
    let mut percentage = 100f32;
    percentage = percentage.round();
    let mut factor = 100f32 / percentage;

    if OVERRIDE > 200f32 {

        ///!! shadowing introduces a bug !!///
        let mut percentage = OVERRIDE;
        //percentage = OVERRIDE; // correct code..


        percentage = percentage.round();
        factor = 100f32 / percentage;
    }
    // do stuff with factor and percentage..
    println!("Total is {}", percentage*factor);

}