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impl ParallelExtend<()> for () #683

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Aug 22, 2019
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impl ParallelExtend<()> for () #683

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11 changes: 11 additions & 0 deletions src/iter/extend.rs
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
use super::noop::NoopConsumer;
use super::{IntoParallelIterator, ParallelExtend, ParallelIterator};

use std::borrow::Cow;
Expand Down Expand Up @@ -368,3 +369,13 @@ where
self.par_extend(par_iter.into_par_iter().cloned())
}
}

/// Collapses all unit items from a parallel iterator into one.
impl ParallelExtend<()> for () {
fn par_extend<I>(&mut self, par_iter: I)
where
I: IntoParallelIterator<Item = ()>,
{
par_iter.into_par_iter().drive_unindexed(NoopConsumer)
}
}