INNER CODE UNIT · Rust

version_string

ogham/dog · build.rs:117

fn version_string() -> String {
    let mut ver = cargo_version();

    let feats = nonstandard_features_string();
    if ! feats.is_empty() {
        ver.push_str(&format!(" [{}]", &feats));
    }

    ver
}

/// Finds whether a feature is enabled by examining the Cargo variable.
fn feature_enabled(name: &str) -> bool {
    env::var(&format!("CARGO_FEATURE_{}", name))
        .map(|e| ! e.is_empty())
        .unwrap_or(false)
}

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