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use std::fmt; #[derive(Debug)] pub enum Error { HandlerAlreadyRegistered, } impl std::error::Error for Error {} impl fmt::Display for Error { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { match self { Self::HandlerAlreadyRegistered => { f.write_str("Unable to register crash handler, only one is allowed at a time") } } } }