message: reactor.Scope: Simplify pretty printing.
diff: @@ -193,9 +193,8 @@ namespace elle
  void
  Scope::print(std::ostream& stream) const
  {
  - stream << "Scope";
  - if (!this->name().empty())
  - stream << " (" << this->name() << ")";
  + elle::print(stream, "Scope({}{?, {1}})",
  + reinterpret_cast<void const*>(this), this->name());
  }
  }
  }
  