Commit 1c18762d authored by Julien Michel's avatar Julien Michel

ENH: Add helper value for number of inputs

parent af3cc15b
......@@ -210,7 +210,7 @@ public:
using InputHasNeighborhood = typename FunctorFilterSuperclassHelper<TFunction>::InputHasNeighborhood;
using InputTypesTupleType = typename Superclass::InputTypesTupleType;
template<size_t I> using InputImageType = typename Superclass::template InputImageType<I>;
using Superclass::NumberOfInputs;
/** Run-time type information (and related methods). */
itkTypeMacro(FunctorImageFilter, ImageToImageFilter);
......@@ -37,6 +37,8 @@ public:
using InputTypesTupleType = std::tuple<TInputs...>;
template <size_t I> using InputImageType = typename std::tuple_element<I,InputTypesTupleType>::type;
static constexpr size_t NumberOfInputs = std::tuple_size<InputTypesTupleType>::value;
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