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#[derive(Debug)]
enum MyError {
NotFound { key: Vec<u8> },
Err41,
}
impl std::error::Error for MyError {}
impl std::fmt::Display for MyError {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
match self {
MyError::NotFound { key } => write!(
f,
"unknown error with code {}.",
String::from_utf8(*key).unwrap()
//~^ ERROR cannot move out of `*key` which is behind a shared reference
),
MyError::Err41 => write!(f, "Sit by a lake"),
}
}
}
fn main() {
println!("Hello, world!");
}
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