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Improve docs of core::option::Iter

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This commit is contained in:
Irfan Hudda 2017-04-01 22:17:48 +05:30
parent 029ace4071
commit c414628782
1 changed files with 7 additions and 1 deletions
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8
src/libcore/option.rs
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@ -894,9 +894,15 @@ impl<A> ExactSizeIterator for Item<A> {}
impl<A> FusedIterator for Item<A> {} impl<A> FusedIterator for Item<A> {}
unsafe impl<A> TrustedLen for Item<A> {} unsafe impl<A> TrustedLen for Item<A> {}
/// An iterator over a reference of the contained item in an [`Option`]. /// An iterator over a reference to the [`Some`] variant of an [`Option`].
///
/// The iterator yields one value if the [`Option`] is a [`Some`] variant, otherwise none.
///
/// This `struct` is created by [`Option::iter`] function.
/// ///
/// [`Option`]: enum.Option.html /// [`Option`]: enum.Option.html
/// [`Some`]: enum.Option.html#variant.Some
/// [`Option::iter`]: enum.Option.html#method.iter
#[stable(feature = "rust1", since = "1.0.0")] #[stable(feature = "rust1", since = "1.0.0")]
#[derive(Debug)] #[derive(Debug)]
pub struct Iter<'a, A: 'a> { inner: Item<&'a A> } pub struct Iter<'a, A: 'a> { inner: Item<&'a A> }