crossbeam-queue 0.2.1

Concurrent queues
Documentation 
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//! Concurrent queues.
//!
//! This crate provides concurrent queues that can be shared among threads:
//!
//! * [`ArrayQueue`], a bounded MPMC queue that allocates a fixed-capacity buffer on construction.
//! * [`SegQueue`], an unbounded MPMC queue that allocates small buffers, segments, on demand.
//!
//! [`ArrayQueue`]: struct.ArrayQueue.html
//! [`SegQueue`]: struct.SegQueue.html

#![warn(missing_docs)]
#![warn(missing_debug_implementations)]
#![cfg_attr(not(feature = "std"), no_std)]

#[macro_use]
extern crate cfg_if;
#[cfg(feature = "std")]
extern crate core;

cfg_if! {
    if #[cfg(feature = "alloc")] {
        extern crate alloc;
    } else if #[cfg(feature = "std")] {
        extern crate std as alloc;
    }
}

extern crate crossbeam_utils;

cfg_if! {
    if #[cfg(any(feature = "alloc", feature = "std"))] {
        mod array_queue;
        mod err;
        mod seg_queue;

        pub use self::array_queue::ArrayQueue;
        pub use self::err::{PopError, PushError};
        pub use self::seg_queue::SegQueue;
    }
}