rocket 0.5.1

Web framework with a focus on usability, security, extensibility, and speed.
Documentation 
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fn main() {
    if let Some((version, channel, _)) = version_check::triple() {
        if channel.supports_features() {
            println!("cargo:rustc-cfg=nightly");
        }

        if version.at_least("1.67") && version.at_most("1.68.2") {
            println!("cargo:rustc-cfg=broken_fmt");
        }
    }
}