fn build_meta()

in elasticsearch/src/http/transport.rs [126:152]

• 22 lines of code
• 5 McCabe index (conditional complexity)

fn build_meta() -> String {
    let mut version_parts = env!("CARGO_PKG_VERSION").split(&['.', '-'][..]);
    let mut version = String::new();

    // major.minor.patch followed with an optional 'p' for preliminary versions
    version.push_str(version_parts.next().unwrap());
    version.push('.');
    version.push_str(version_parts.next().unwrap());
    version.push('.');
    version.push_str(version_parts.next().unwrap());
    if version_parts.next().is_some() {
        version.push('p');
    }

    let rustc = env!("RUSTC_VERSION");
    let mut meta = format!("es={},rs={},t={}", version, rustc, version);

    if cfg!(feature = "native-tls") {
        meta.push_str(",tls=n");
    } else if cfg!(feature = "rustls-tls") {
        meta.push_str(",tls=r");
    } else if cfg!(target_arch = "wasm32") {
        meta.push_str(",tls=w");
    }

    meta
}