Function require_int

src/framework/io/yaml.cpp:262–268

}

std::string require_string(const FlattenedDocument & document, const std::string & key) {
    const auto it = document.scalars.find(key);
    if (it == document.scalars.end()) {
        throw std::runtime_error("Missing yaml scalar key: " + key);
    }
    return it->second;
}

std::string optional_string(const FlattenedDocument & document, const std::string & key, std::string default_value) {
    const auto it = document.scalars.find(key);