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1 changed files with 9 additions and 9 deletions
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@ -29,15 +29,15 @@ impl ParsePosNonzeroError {
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}
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}
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}
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}
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/// As an alternative solution, implementing the `From` trait allows for the
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// As an alternative solution, implementing the `From` trait allows for the
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/// automatic conversion from a `ParseIntError` into a `ParsePosNonzeroError`
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// automatic conversion from a `ParseIntError` into a `ParsePosNonzeroError`
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/// using the `?` operator, without the need to call `map_err`.
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// using the `?` operator, without the need to call `map_err`.
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///
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//
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/// ```
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// ```
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/// let x: i64 = s.parse()?;
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// let x: i64 = s.parse()?;
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/// ```
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// ```
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///
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//
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/// Traits like `From` will be dealt with in later exercises.
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// Traits like `From` will be dealt with in later exercises.
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impl From<ParseIntError> for ParsePosNonzeroError {
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impl From<ParseIntError> for ParsePosNonzeroError {
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fn from(err: ParseIntError) -> Self {
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fn from(err: ParseIntError) -> Self {
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ParsePosNonzeroError::ParseInt(err)
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ParsePosNonzeroError::ParseInt(err)
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