forked from mirror/async-std
16 lines
435 B
Rust
16 lines
435 B
Rust
use std::collections::BTreeMap;
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use std::pin::Pin;
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use crate::prelude::*;
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use crate::stream::{Extend, IntoStream};
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impl<K: Ord, V> Extend<(K, V)> for BTreeMap<K, V> {
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fn stream_extend<'a, S: IntoStream<Item = (K, V)> + 'a>(
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&'a mut self,
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stream: S,
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) -> Pin<Box<dyn Future<Output = ()> + 'a>> {
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Box::pin(stream.into_stream().for_each(move |(k, v)| {
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self.insert(k, v);
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}))
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}
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}
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