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Prefer using Ars instead of Options

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Clément Renault 2024-09-26 18:43:23 +02:00
parent 8cb5e7437d
commit 3843240940
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1 changed files with 9 additions and 6 deletions
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15
milli/src/update/new/items_pool.rs
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@ -1,18 +1,21 @@
use std::sync::Arc;
use crossbeam_channel::{Receiver, Sender, TryRecvError};
use rayon::iter::{MapInit, ParallelIterator};
pub trait ParallelIteratorExt: ParallelIterator {
/// A method on a parallel iterator to map
fn try_map_try_init<F, INIT, T, E, R>(
self,
init: INIT,
map_op: F,
) -> MapInit<
Self,
impl Fn() -> Result<T, Option<E>> + Sync + Send + Clone,
impl Fn(&mut Result<T, Option<E>>, Self::Item) -> Result<R, Option<E>> + Sync + Send + Clone,
impl Fn() -> Result<T, Arc<E>> + Sync + Send + Clone,
impl Fn(&mut Result<T, Arc<E>>, Self::Item) -> Result<R, Arc<E>> + Sync + Send + Clone,
>
where
E: Send,
E: Send + Sync,
F: Fn(&mut T, Self::Item) -> Result<R, E> + Sync + Send + Clone,
INIT: Fn() -> Result<T, E> + Sync + Send + Clone,
R: Send,
@ -20,11 +23,11 @@ pub trait ParallelIteratorExt: ParallelIterator {
self.map_init(
move || match init() {
Ok(t) => Ok(t),
Err(err) => Err(Some(err)),
Err(err) => Err(Arc::new(err)),
},
move |maybe_t, item| match maybe_t {
Ok(t) => map_op(t, item).map_err(Some),
Err(maybe_err) => Err(maybe_err.take()),
Ok(t) => map_op(t, item).map_err(Arc::new),
Err(maybe_err) => Err(maybe_err.clone()),
},
)
}