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// Copyright 2015-2017 Benjamin Fry <benjaminfry@me.com>
// Copyright 2017 Google LLC.
//
// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
// http://opensource.org/licenses/MIT>, at your option. This file may not be
// copied, modified, or distributed except according to those terms.

#![warn(
    missing_docs,
    clippy::dbg_macro,
    clippy::print_stdout,
    clippy::unimplemented
)]
#![recursion_limit = "2048"]

//! Trust-DNS Protocol library

macro_rules! try_ready_stream {
    ($e:expr) => {{
        match $e {
            Poll::Ready(Some(Ok(t))) => t,
            Poll::Ready(None) => return Poll::Ready(None),
            Poll::Pending => return Poll::Pending,
            Poll::Ready(Some(Err(e))) => return Poll::Ready(Some(Err(From::from(e)))),
        }
    }};
}

pub mod error;
#[cfg(feature = "mdns")]
pub mod multicast;
pub mod op;
pub mod rr;
pub mod serialize;
pub mod tcp;
pub mod udp;
pub mod xfer;

#[doc(hidden)]
pub use crate::xfer::dns_handle::{BasicDnsHandle, DnsHandle, DnsStreamHandle, StreamHandle};
#[doc(hidden)]
pub use crate::xfer::dns_multiplexer::DnsMultiplexer;
#[doc(hidden)]
pub use crate::xfer::retry_dns_handle::RetryDnsHandle;
#[doc(hidden)]
#[cfg(feature = "dnssec")]
pub use crate::xfer::secure_dns_handle::SecureDnsHandle;
#[doc(hidden)]
pub use crate::xfer::{BufDnsStreamHandle, BufStreamHandle, MessageStreamHandle};