In various circumstances, -0 has an extra plus sign appended where it should not: ```rs use num::complex::Complex; fn main() { println!("{}", Complex::new(-0.0, -0.0)); println!("{:+}", Complex::new(-0.0, -0.0)); } ``` ``` -0+-0i +-0+-0i ``` https://play.rust-lang.org/?version=nightly&mode=debug&edition=2024&gist=c5368ca99596e43a2f3a59e7762e396c
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