| use crate::sink::{SinkExt, SinkMapErr}; |
| use futures_core::stream::{Stream, FusedStream}; |
| use futures_sink::{Sink}; |
| use pin_project::pin_project; |
| |
| /// Sink for the [`sink_err_into`](super::SinkExt::sink_err_into) method. |
| #[pin_project] |
| #[derive(Debug)] |
| #[must_use = "sinks do nothing unless polled"] |
| pub struct SinkErrInto<Si: Sink<Item>, Item, E> { |
| #[pin] |
| sink: SinkMapErr<Si, fn(Si::Error) -> E>, |
| } |
| |
| impl<Si, E, Item> SinkErrInto<Si, Item, E> |
| where Si: Sink<Item>, |
| Si::Error: Into<E>, |
| { |
| pub(super) fn new(sink: Si) -> Self { |
| SinkErrInto { |
| sink: SinkExt::sink_map_err(sink, Into::into), |
| } |
| } |
| |
| delegate_access_inner!(sink, Si, (.)); |
| } |
| |
| impl<Si, Item, E> Sink<Item> for SinkErrInto<Si, Item, E> |
| where Si: Sink<Item>, |
| Si::Error: Into<E>, |
| { |
| type Error = E; |
| |
| delegate_sink!(sink, Item); |
| } |
| |
| // Forwarding impl of Stream from the underlying sink |
| impl<S, Item, E> Stream for SinkErrInto<S, Item, E> |
| where S: Sink<Item> + Stream, |
| S::Error: Into<E> |
| { |
| type Item = S::Item; |
| |
| delegate_stream!(sink); |
| } |
| |
| impl<S, Item, E> FusedStream for SinkErrInto<S, Item, E> |
| where S: Sink<Item> + FusedStream, |
| S::Error: Into<E> |
| { |
| fn is_terminated(&self) -> bool { |
| self.sink.is_terminated() |
| } |
| } |