60 lines
1.0 KiB
Rust
60 lines
1.0 KiB
Rust
use super::plumbing::*;
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pub(super) struct NoopConsumer;
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impl<T> Consumer<T> for NoopConsumer {
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type Folder = NoopConsumer;
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type Reducer = NoopReducer;
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type Result = ();
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fn split_at(self, _index: usize) -> (Self, Self, NoopReducer) {
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(NoopConsumer, NoopConsumer, NoopReducer)
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}
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fn into_folder(self) -> Self {
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self
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}
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fn full(&self) -> bool {
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false
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}
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}
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impl<T> Folder<T> for NoopConsumer {
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type Result = ();
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fn consume(self, _item: T) -> Self {
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self
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}
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fn consume_iter<I>(self, iter: I) -> Self
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where
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I: IntoIterator<Item = T>,
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{
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iter.into_iter().for_each(drop);
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self
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}
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fn complete(self) {}
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fn full(&self) -> bool {
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false
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}
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}
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impl<T> UnindexedConsumer<T> for NoopConsumer {
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fn split_off_left(&self) -> Self {
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NoopConsumer
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}
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fn to_reducer(&self) -> NoopReducer {
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NoopReducer
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}
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}
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pub(super) struct NoopReducer;
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impl Reducer<()> for NoopReducer {
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fn reduce(self, _left: (), _right: ()) {}
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}
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