zrx_stream/stream/operator/chunks.rs
1// Copyright (c) 2025-2026 Zensical and contributors
2
3// SPDX-License-Identifier: MIT
4// All contributions are certified under the DCO
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13// The above copyright notice and this permission notice shall be included in
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23
24// ----------------------------------------------------------------------------
25
26//! Chunks operator.
27
28use zrx_scheduler::value::IntoOwned;
29use zrx_scheduler::{Id, Value};
30
31use crate::stream::value::{Chunk, Collection, Delta};
32use crate::stream::Stream;
33
34// ----------------------------------------------------------------------------
35// Implementations
36// ----------------------------------------------------------------------------
37
38impl<I, T> Stream<I, Delta<I, T>>
39where
40 I: Id,
41 T: Value + Clone + Eq,
42{
43 pub fn chunks(&self) -> Stream<I, Chunk<I, T>> {
44 self.delta_reduce(|store: &dyn Collection<I, T>| {
45 (!store.is_empty())
46 .then(|| store.iter().map(IntoOwned::into_owned).collect())
47 })
48 }
49}