Method BasicResult

Bcore/src/main/cpp/Dobby/tests/catch.hpp:5570–5573

public:
  template <typename U>
  explicit BasicResult(BasicResult<U> const &other)
      : ResultValueBase<T>(other.type()), m_errorMessage(other.errorMessage()) {
    assert(type() != ResultBase::Ok);
  }

  template <typename U> static auto ok(U const &value) -> BasicResult {
    return {ResultBase::Ok, value};