diff options
| -rw-r--r-- | library/core/src/option.rs | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/library/core/src/option.rs b/library/core/src/option.rs index ed7703befcf..4a93df4591b 100644 --- a/library/core/src/option.rs +++ b/library/core/src/option.rs @@ -834,20 +834,12 @@ impl<T> Option<T> { /// /// # Examples /// - /// Converts a string to an integer, turning poorly-formed strings - /// into 0 (the default value for integers). [`parse`] converts - /// a string to any other type that implements [`FromStr`], returning - /// [`None`] on error. - /// /// ``` - /// let good_year_from_input = "1909"; - /// let bad_year_from_input = "190blarg"; - /// // Result::ok() converts a Result<T> to an Option<T> - /// let good_year = good_year_from_input.parse().ok().unwrap_or_default(); - /// let bad_year = bad_year_from_input.parse().ok().unwrap_or_default(); + /// let x: Option<u32> = None; + /// let y: Option<u32> = Some(12); /// - /// assert_eq!(1909, good_year); - /// assert_eq!(0, bad_year); + /// assert_eq!(x.unwrap_or_default(), 0); + /// assert_eq!(y.unwrap_or_default(), 12); /// ``` /// /// [default value]: Default::default |
