alef 0.23.35

Opinionated polyglot binding generator for Rust libraries
Documentation 
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    if {{ name }}.is_null() && {{ name }}_len > 0 {
        set_last_error(1, "Null pointer passed for parameter '{{ name }}'");
        {{ fail_ret }}
    }
    // SAFETY: when {{ name }} is null, {{ name }}_len is 0 (checked above), so we use an empty slice; otherwise data is valid for len elements.
    let {{ rs_name }} = if {{ name }}.is_null() {
        Vec::new()
    } else {
        unsafe { std::slice::from_raw_parts({{ name }}, {{ name }}_len) }.to_vec()
    };