xdot 0.2.4

Parse graphviz’ xdot draw instructions
Documentation 
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// This exists for the doc_auto_cfg feature
use rustc_version::{Channel, version_meta};

fn main() {
    // Set cfg flags depending on release channel
    let channel = match version_meta().unwrap().channel {
        Channel::Stable => "CHANNEL_STABLE",
        Channel::Beta => "CHANNEL_BETA",
        Channel::Nightly => "CHANNEL_NIGHTLY",
        Channel::Dev => "CHANNEL_DEV",
    };
    println!("cargo::rustc-check-cfg=cfg(CHANNEL_NIGHTLY)");
    println!("cargo::rustc-cfg={channel}");
}