Readded missing accessors dropped with the ranges

See merge request !250

GaudiAlg/GaudiAlg/FunctionalDetails.h

@@ -361,9 +361,11 @@ namespace Gaudi { namespace Functional { namespace details {
 
        template <std::size_t N=0>
        const std::string& inputLocation() const { return std::get<N>(m_inputs).objKey(); }
+       unsigned int inputLocationSize() const { return std::tuple_size<decltype(m_inputs)>::value; }
 
        template <std::size_t N=0>
        const std::string& outputLocation() const { return std::get<N>(m_outputs).objKey(); }
+       unsigned int outputLocationSize() const { return std::tuple_size<decltype(m_outputs)>::value; }
 
    protected:
        std::tuple<details::InputHandle_t<Traits_,In>...>  m_inputs;
@@ -398,6 +400,7 @@ namespace Gaudi { namespace Functional { namespace details {
 
        template <std::size_t N=0>
        const std::string& inputLocation() const { return std::get<N>(m_inputs).objKey(); }
+       unsigned int inputLocationSize() const { return std::tuple_size<decltype(m_inputs)>::value; }
 
    protected:
        std::tuple<details::InputHandle_t<Traits_,In>...>  m_inputs;
@@ -430,6 +433,7 @@ namespace Gaudi { namespace Functional { namespace details {
 
        template <std::size_t N=0>
        const std::string& outputLocation() const { return std::get<N>(m_outputs).objKey(); }
+       unsigned int outputLocationSize() const { return std::tuple_size<decltype(m_outputs)>::value; }
 
    protected:
        std::tuple<details::OutputHandle_t<Traits_,Out>...> m_outputs;

GaudiAlg/GaudiAlg/SplittingTransformer.h

@@ -38,6 +38,10 @@ namespace Gaudi { namespace Functional {
          static_assert(N==1,"single input argument requires single input signature");
        }
 
+       // accessor to output Locations
+       const std::string& outputLocation(unsigned int n) const { return m_outputLocations[n]; }
+       unsigned int outputLocationSize() const { return m_outputLocations.size(); }
+
        // derived classes can NOT implement execute
        StatusCode execute() override final
        { return invoke(std::index_sequence_for<In...>{}); }