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update example in accumulate() documentation

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nelsbrock
2022-08-06 21:44:53 +02:00
parent 8a0dfef53c
commit 462b2e5c06
1 changed files with 7 additions and 5 deletions
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src/lib.rs
+7 -5
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@@ -71,12 +71,14 @@ pub trait IterAccumulate: Iterator {
/// use iter_accumulate::IterAccumulate;
///
/// let input = [1, 2, 3, 4, 5];
/// let result = input
/// .into_iter()
/// .accumulate(1, |acc, i| acc * i)
/// .collect::<Vec<_>>();
/// let mut iter = input.iter().accumulate(1, |acc, i| acc * i);
///
/// assert_eq!(result, vec![1, 2, 6, 24, 120]);
/// assert_eq!(iter.next(), Some(1));
/// assert_eq!(iter.next(), Some(2));
/// assert_eq!(iter.next(), Some(6));
/// assert_eq!(iter.next(), Some(24));
/// assert_eq!(iter.next(), Some(120));
/// assert_eq!(iter.next(), None);
/// ```
///
/// [`fold()`]: Iterator::fold