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use super::noop::*;
use super::plumbing::*;
use super::ParallelIterator;
pub(super) fn for_each<I, F, T>(pi: I, op: &F)
where
I: ParallelIterator<Item = T>,
F: Fn(T) + Sync,
T: Send,
{
let consumer = ForEachConsumer { op };
pi.drive_unindexed(consumer)
}
struct ForEachConsumer<'f, F> {
op: &'f F,
}
impl<'f, F, T> Consumer<T> for ForEachConsumer<'f, F>
where
F: Fn(T) + Sync,
{
type Folder = ForEachConsumer<'f, F>;
type Reducer = NoopReducer;
type Result = ();
fn split_at(self, _index: usize) -> (Self, Self, NoopReducer) {
(self.split_off_left(), self, NoopReducer)
}
fn into_folder(self) -> Self {
self
}
fn full(&self) -> bool {
false
}
}
impl<'f, F, T> Folder<T> for ForEachConsumer<'f, F>
where
F: Fn(T) + Sync,
{
type Result = ();
fn consume(self, item: T) -> Self {
(self.op)(item);
self
}
fn consume_iter<I>(self, iter: I) -> Self
where
I: IntoIterator<Item = T>,
{
iter.into_iter().for_each(self.op);
self
}
fn complete(self) {}
fn full(&self) -> bool {
false
}
}
impl<'f, F, T> UnindexedConsumer<T> for ForEachConsumer<'f, F>
where
F: Fn(T) + Sync,
{
fn split_off_left(&self) -> Self {
ForEachConsumer { op: self.op }
}
fn to_reducer(&self) -> NoopReducer {
NoopReducer
}
}