33 lines
840 B
OpenEdge ABL
33 lines
840 B
OpenEdge ABL
%module template_empty_inherit
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%rename(FunctorOperator) operator();
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%inline %{
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template<class Arg, typename Result> struct Functor {
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virtual Result operator()(Arg x) const = 0;
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};
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%}
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// Bug fix - %ignore was resulting in this warning:
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// Warning 401: Base class 'Functor< int,int >' has no name as it is an empty template instantiated with '%template()'. Ignored.
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%ignore Functor<int, int>;
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%template() Functor<int, int>;
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%inline %{
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#include <algorithm>
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#include <iterator>
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struct SquareFunctor : Functor<int, int> {
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int operator()(int v) const { return v*v; }
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};
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%}
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%include <std_vector.i>
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%template(VectorInt) std::vector<int>;
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%inline %{
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std::vector<int> squares(const std::vector<int>& vi) {
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std::vector<int> result;
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std::transform(vi.begin(), vi.end(), std::back_inserter(result), SquareFunctor());
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return result;
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}
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%}
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