bool equals()

in include/S_Expression.h [509:527]

• 17 lines of code
• 4 McCabe index (conditional complexity)

  bool equals(const std::shared_ptr<Component>& other) const {
    if (this == other.get()) {
      // Since S-expressions can share structure, checking for pointer equality
      // prevents unnecessary computations.
      return true;
    }
    if (other->kind() != ComponentKind::List) {
      return false;
    }
    auto l = std::static_pointer_cast<List>(other);
    if (l->m_list.size() != m_list.size()) {
      return false;
    }
    return std::equal(
        m_list.begin(),
        m_list.end(),
        l->m_list.begin(),
        [](const s_expr& e1, const s_expr& e2) { return e1.equals(e2); });
  }