29 lines
738 B
Rust
29 lines
738 B
Rust
#![cfg_attr(docsrs, doc(cfg(feature = "rayon")))]
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use rayon::prelude::*;
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use alloc::collections::LinkedList;
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use crate::vec::Vec;
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pub mod map;
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pub mod set;
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// This form of intermediate collection is also how Rayon collects `HashMap`.
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// Note that the order will also be preserved!
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fn collect<I: IntoParallelIterator>(iter: I) -> LinkedList<Vec<I::Item>> {
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iter.into_par_iter()
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.fold(Vec::new, |mut vec, elem| {
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vec.push(elem);
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vec
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})
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.map(|vec| {
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let mut list = LinkedList::new();
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list.push_back(vec);
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list
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})
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.reduce(LinkedList::new, |mut list1, mut list2| {
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list1.append(&mut list2);
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list1
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})
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}
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