diff options
| -rw-r--r-- | library/core/src/iter/traits/iterator.rs | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/library/core/src/iter/traits/iterator.rs b/library/core/src/iter/traits/iterator.rs index 53d353802b9..353cb147f10 100644 --- a/library/core/src/iter/traits/iterator.rs +++ b/library/core/src/iter/traits/iterator.rs @@ -1495,18 +1495,6 @@ pub trait Iterator { /// assert_eq!(merged, "alphabetagamma"); /// ``` /// - /// Flattening works on any `IntoIterator` type, including `Option` and `Result`: - /// - /// ``` - /// let options = vec![Some(123), Some(321), None, Some(231)]; - /// let flattened_options: Vec<_> = options.into_iter().flatten().collect(); - /// assert_eq!(flattened_options, vec![123, 321, 231]); - /// - /// let results = vec![Ok(123), Ok(321), Err(456), Ok(231)]; - /// let flattened_results: Vec<_> = results.into_iter().flatten().collect(); - /// assert_eq!(flattened_results, vec![123, 321, 231]); - /// ``` - /// /// You can also rewrite this in terms of [`flat_map()`], which is preferable /// in this case since it conveys intent more clearly: /// @@ -1520,6 +1508,18 @@ pub trait Iterator { /// assert_eq!(merged, "alphabetagamma"); /// ``` /// + /// Flattening works on any `IntoIterator` type, including `Option` and `Result`: + /// + /// ``` + /// let options = vec![Some(123), Some(321), None, Some(231)]; + /// let flattened_options: Vec<_> = options.into_iter().flatten().collect(); + /// assert_eq!(flattened_options, vec![123, 321, 231]); + /// + /// let results = vec![Ok(123), Ok(321), Err(456), Ok(231)]; + /// let flattened_results: Vec<_> = results.into_iter().flatten().collect(); + /// assert_eq!(flattened_results, vec![123, 321, 231]); + /// ``` + /// /// Flattening only removes one level of nesting at a time: /// /// ``` |