#![warn(clippy::is_digit_ascii_radix)] const TEN: u32 = 10; fn main() { let c: char = '6'; // Should trigger the lint. let _ = c.is_digit(10); let _ = c.is_digit(16); let _ = c.is_digit(0x10); // Should not trigger the lint. let _ = c.is_digit(11); let _ = c.is_digit(TEN); }