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Add alias for iterator fold

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fold is known in python and javascript as reduce,
not sure about inject but it was written in doc there.
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Ivan Tham 2020-09-26 00:04:34 +08:00 committed by GitHub
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library/core/src/iter/traits/iterator.rs
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@ -1977,6 +1977,8 @@ pub trait Iterator {
/// assert_eq!(result, result2); /// assert_eq!(result, result2);
/// ``` /// ```
#[inline] #[inline]
#[doc(alias = "reduce")]
#[doc(alias = "inject")]
#[stable(feature = "rust1", since = "1.0.0")] #[stable(feature = "rust1", since = "1.0.0")]
fn fold<B, F>(mut self, init: B, mut f: F) -> B fn fold<B, F>(mut self, init: B, mut f: F) -> B
where where