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Rollup merge of #131858 - AnthonyMikh:AnthonyMikh/repeat_n-is-not-that-special-anymore, r=jhpratt

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Remove outdated documentation for `repeat_n`

After #106943, which made `Take<Repeat<I>>` implement `ExactSizeIterator`, part of documentation about difference from `repeat(x).take(n)` is no longer valid.

````@rustbot```` labels: +A-docs, +A-iterators
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许杰友 Jieyou Xu (Joe) 2024-10-18 12:00:52 +01:00 committed by GitHub
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4
library/core/src/iter/sources/repeat_n.rs
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@ -8,9 +8,7 @@
/// The `repeat_n()` function repeats a single value exactly `n` times.
///
/// This is very similar to using [`repeat()`] with [`Iterator::take()`],
/// but there are two differences:
/// - `repeat_n()` can return the original value, rather than always cloning.
/// - `repeat_n()` produces an [`ExactSizeIterator`].
/// but `repeat_n()` can return the original value, rather than always cloning.
///
/// [`repeat()`]: crate::iter::repeat
///