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use futures_util::StreamExt;
use static_assertions::assert_impl_all;
use std::sync::Arc;
use async_io::block_on;
use crate::{blocking::Connection, Message, Result};
#[derive(derivative::Derivative, Clone)]
#[derivative(Debug)]
pub struct MessageIterator(pub(crate) crate::MessageStream);
assert_impl_all!(MessageIterator: Send, Sync, Unpin);
impl MessageIterator {
pub fn inner(&self) -> &crate::MessageStream {
&self.0
}
pub fn into_inner(self) -> crate::MessageStream {
self.0
}
}
impl Iterator for MessageIterator {
type Item = Result<Arc<Message>>;
fn next(&mut self) -> Option<Self::Item> {
block_on(self.0.next())
}
}
impl From<Connection> for MessageIterator {
fn from(conn: Connection) -> Self {
let azync = crate::MessageStream::from(conn.into_inner());
Self(azync)
}
}
impl From<&Connection> for MessageIterator {
fn from(conn: &Connection) -> Self {
Self::from(conn.clone())
}
}