ringbuf 0.1.3

Lock-free SPSC FIFO ring buffer with direct access to inner data
Documentation 
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extern crate rustc_version;
use rustc_version::{version, version_meta, Channel};


fn main() {
    // Assert we haven't travelled back in time
    assert!(version().unwrap().major >= 1);

    // Set cfg flags depending on release channel
    match version_meta().unwrap().channel {
        Channel::Stable => {
            println!("cargo:rustc-cfg=rustc_stable");
        }
        Channel::Beta => {
            println!("cargo:rustc-cfg=rustc_beta");
        }
        Channel::Nightly => {
            println!("cargo:rustc-cfg=rustc_nightly");
        }
        Channel::Dev => {
            println!("cargo:rustc-cfg=rustc_dev");
        }
    }
}