Method AsOpaque

common/value.h:888–890

      const& ABSL_ATTRIBUTE_LIFETIME_BOUND;
  absl::optional<OpaqueValue> AsOpaque() &&;
  absl::optional<OpaqueValue> AsOpaque() const&& {
    return common_internal::AsOptional(AsOpaque());
  }

  // Performs a checked cast from a value to an optional value,
  // returning a non-empty optional with either a value or reference to the