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-rw-r--r--src/stream/skip.rs63
1 files changed, 0 insertions, 63 deletions
diff --git a/src/stream/skip.rs b/src/stream/skip.rs
deleted file mode 100644
index 39540cc..0000000
--- a/src/stream/skip.rs
+++ /dev/null
@@ -1,63 +0,0 @@
-use crate::stream::Stream;
-
-use core::fmt;
-use core::pin::Pin;
-use core::task::{Context, Poll};
-use pin_project_lite::pin_project;
-
-pin_project! {
- /// Stream for the [`skip`](super::StreamExt::skip) method.
- #[must_use = "streams do nothing unless polled"]
- pub struct Skip<St> {
- #[pin]
- stream: St,
- remaining: usize,
- }
-}
-
-impl<St> fmt::Debug for Skip<St>
-where
- St: fmt::Debug,
-{
- fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
- f.debug_struct("Skip")
- .field("stream", &self.stream)
- .finish()
- }
-}
-
-impl<St> Skip<St> {
- pub(super) fn new(stream: St, remaining: usize) -> Self {
- Self { stream, remaining }
- }
-}
-
-impl<St> Stream for Skip<St>
-where
- St: Stream,
-{
- type Item = St::Item;
-
- fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
- loop {
- match ready!(self.as_mut().project().stream.poll_next(cx)) {
- Some(e) => {
- if self.remaining == 0 {
- return Poll::Ready(Some(e));
- }
- *self.as_mut().project().remaining -= 1;
- }
- None => return Poll::Ready(None),
- }
- }
- }
-
- fn size_hint(&self) -> (usize, Option<usize>) {
- let (lower, upper) = self.stream.size_hint();
-
- let lower = lower.saturating_sub(self.remaining);
- let upper = upper.map(|x| x.saturating_sub(self.remaining));
-
- (lower, upper)
- }
-}