Merge d5cae8ff59 into 38016cb2d6

solutions/13_error_handling/errors6.rs

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