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Merge pull request #382 from bertonha/deprecated-description

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fmoko 2020-05-02 18:38:32 +02:00 committed by GitHub
commit ebfe76cdb6
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1 changed files with 6 additions and 9 deletions
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15
exercises/error_handling/errorsn.rs
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@ -100,15 +100,12 @@ enum CreationError {
impl fmt::Display for CreationError {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str((self as &dyn error::Error).description())
let description = match *self {
CreationError::Negative => "Number is negative",
CreationError::Zero => "Number is zero",
};
f.write_str(description)
}
}
impl error::Error for CreationError {
fn description(&self) -> &str {
match *self {
CreationError::Negative => "Negative",
CreationError::Zero => "Zero",
}
}
}
impl error::Error for CreationError {}