diff options
Diffstat (limited to 'src/libcore')
| -rw-r--r-- | src/libcore/iter/mod.rs | 3 | ||||
| -rw-r--r-- | src/libcore/iter/traits/exact_size.rs | 4 |
2 files changed, 5 insertions, 2 deletions
diff --git a/src/libcore/iter/mod.rs b/src/libcore/iter/mod.rs index 5fa9962f811..080b70c6368 100644 --- a/src/libcore/iter/mod.rs +++ b/src/libcore/iter/mod.rs @@ -43,7 +43,7 @@ //! are elements, and once they've all been exhausted, will return `None` to //! indicate that iteration is finished. Individual iterators may choose to //! resume iteration, and so calling [`next`] again may or may not eventually -//! start returning `Some(Item)` again at some point. +//! start returning `Some(Item)` again at some point (for example, see [`TryIter`]). //! //! [`Iterator`]'s full definition includes a number of other methods as well, //! but they are default methods, built on top of [`next`], and so you get @@ -56,6 +56,7 @@ //! [`Iterator`]: trait.Iterator.html //! [`next`]: trait.Iterator.html#tymethod.next //! [`Option`]: ../../std/option/enum.Option.html +//! [`TryIter`]: ../../std/sync/mpsc/struct.TryIter.html //! //! # The three forms of iteration //! diff --git a/src/libcore/iter/traits/exact_size.rs b/src/libcore/iter/traits/exact_size.rs index 4a7db348b18..ad87d09588e 100644 --- a/src/libcore/iter/traits/exact_size.rs +++ b/src/libcore/iter/traits/exact_size.rs @@ -69,8 +69,10 @@ /// ``` #[stable(feature = "rust1", since = "1.0.0")] pub trait ExactSizeIterator: Iterator { - /// Returns the exact number of times the iterator will iterate. + /// Returns the exact length of the iterator. /// + /// The implementation ensures that the iterator will return exactly `len()` + /// more times a `Some(T)` value, before returning `None`. /// This method has a default implementation, so you usually should not /// implement it directly. However, if you can provide a more efficient /// implementation, you can do so. See the [trait-level] docs for an |