From 475aeab79e7d9b0fcdc4fef7bc13e98772d24a94 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Sun, 25 Sep 2022 23:58:33 +0200 Subject: [PATCH] Improve code example for Option::unwrap_or_default --- library/core/src/option.rs | 16 ++++------------ 1 file 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 @@ pub const fn unwrap_or_else(self, f: F) -> 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 to an Option - /// 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 = None; + /// let y: Option = 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