// rgb to hex conversion fn rgb(r: i32, g: i32, b: i32) -> String { format!("{:02X}{:02X}{:02X}", r as f32 as u8, g as f32 as u8, b as f32 as u8) } fn main() { let (r, g, b) = (123, 86, 200); println!("rgb {} {} {} to hex {} ", r, g, b, rgb(r, g, b)); }
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