Function InsertOrUpdate

library/cpp/expression/expression.cpp:529–537

}

static size_t InsertOrUpdate(TVector<TString>& values, const TString& v) {
    for (size_t i = 0, size = values.size(); i < size; ++i) {
        if (values[i] == v) {
            return i;
        }
    }
    values.push_back(v);
    return values.size() - 1;
}

struct TFrame {
    TFrame() = delete;