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20 lines
494 B
Rust
20 lines
494 B
Rust
use std::pin::Pin;
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use crate::prelude::*;
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use crate::stream::{self, IntoStream};
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impl<T: Send> stream::Extend<T> for Vec<T> {
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fn extend<'a, S: IntoStream<Item = T> + 'a>(
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&'a mut self,
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stream: S,
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) -> Pin<Box<dyn Future<Output = ()> + 'a + Send>>
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where
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<S as IntoStream>::IntoStream: Send,
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{
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let stream = stream.into_stream();
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self.reserve(stream.size_hint().0);
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Box::pin(stream.for_each(move |item| self.push(item)))
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}
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}
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