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28 lines
772 B
Rust
28 lines
772 B
Rust
use std::io::Write;
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use std::string::ToString;
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use std::sync::mpsc::SyncSender;
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/// Wrapper around SyncSender, which implements Write
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///
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/// Each write in translated into a send(Vec<u8>).
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pub struct StdChannelWriter<E>(SyncSender<Result<Vec<u8>, E>>);
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impl<E: ToString> StdChannelWriter<E> {
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pub fn new(sender: SyncSender<Result<Vec<u8>, E>>) -> Self {
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Self(sender)
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}
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}
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impl<E: ToString> Write for StdChannelWriter<E> {
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fn write(&mut self, buf: &[u8]) -> Result<usize, std::io::Error> {
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self.0
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.send(Ok(buf.to_vec()))
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.map_err(|err| std::io::Error::new(std::io::ErrorKind::Other, err.to_string()))
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.and(Ok(buf.len()))
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}
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fn flush(&mut self) -> Result<(), std::io::Error> {
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Ok(())
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}
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}
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