INNER CODE UNIT · Rust

feature_enabled

ogham/dog · build.rs:129

fn feature_enabled(name: &str) -> bool {
    env::var(&format!("CARGO_FEATURE_{}", name))
        .map(|e| ! e.is_empty())
        .unwrap_or(false)
}

/// A comma-separated list of non-standard feature choices.
fn nonstandard_features_string() -> String {
    let mut s = Vec::new();

    if ! feature_enabled("WITH_IDNA") {
        s.push("-idna");
    }

    if ! feature_enabled("WITH_TLS") {
        s.push("-tls");
    }

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