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use std::borrow::Cow;
use std::pin::Pin;
use crate::prelude::*;
use crate::stream::{self, IntoStream};
impl stream::Extend<char> for String {
fn extend<'a, S: IntoStream<Item = char> + 'a>(
&'a mut self,
stream: S,
) -> Pin<Box<dyn Future<Output = ()> + 'a + Send>>
where
<S as IntoStream>::IntoStream: Send,
{
let stream = stream.into_stream();
self.reserve(stream.size_hint().0);
Box::pin(async move {
pin_utils::pin_mut!(stream);
while let Some(item) = stream.next().await {
self.push(item);
}
})
}
}
impl<'b> stream::Extend<&'b char> for String {
fn extend<'a, S: IntoStream<Item = &'b char> + 'a>(
&'a mut self,
stream: S,
) -> Pin<Box<dyn Future<Output = ()> + 'a + Send>>
where
<S as IntoStream>::IntoStream: Send,
{
let stream = stream.into_stream();
Box::pin(async move {
pin_utils::pin_mut!(stream);
while let Some(item) = stream.next().await {
self.push(*item);
}
})
}
}
impl<'b> stream::Extend<&'b str> for String {
fn extend<'a, S: IntoStream<Item = &'b str> + 'a>(
&'a mut self,
stream: S,
) -> Pin<Box<dyn Future<Output = ()> + 'a + Send>>
where
<S as IntoStream>::IntoStream: Send,
{
let stream = stream.into_stream();
Box::pin(async move {
pin_utils::pin_mut!(stream);
while let Some(item) = stream.next().await {
self.push_str(item);
}
})
}
}
impl stream::Extend<String> for String {
fn extend<'a, S: IntoStream<Item = String> + 'a>(
&'a mut self,
stream: S,
) -> Pin<Box<dyn Future<Output = ()> + 'a + Send>>
where
<S as IntoStream>::IntoStream: Send,
{
let stream = stream.into_stream();
Box::pin(async move {
pin_utils::pin_mut!(stream);
while let Some(item) = stream.next().await {
self.push_str(&item);
}
})
}
}
impl<'b> stream::Extend<Cow<'b, str>> for String {
fn extend<'a, S: IntoStream<Item = Cow<'b, str>> + 'a>(
&'a mut self,
stream: S,
) -> Pin<Box<dyn Future<Output = ()> + 'a + Send>>
where
<S as IntoStream>::IntoStream: Send,
{
let stream = stream.into_stream();
Box::pin(async move {
pin_utils::pin_mut!(stream);
while let Some(item) = stream.next().await {
self.push_str(&item);
}
})
}
}