52edda64c1
Fixes infinite loop due to () brackets in a non-type template parameter containing an expression Fixes #2418 Non-trivial expressions are still not qualified properly though.
34 lines
1.4 KiB
OpenEdge ABL
34 lines
1.4 KiB
OpenEdge ABL
%module cpp14_enable_if_t
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// test use of enable_if_t but without full %template instantiation, that is no enable_if_t definition is parsed
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%inline %{
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#include <type_traits>
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typedef int node_t;
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typedef int position_t;
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template <typename A, typename B, std::enable_if_t<std::is_integral_v<A>, bool> = true>
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void enableif1(const A a, const B b) {}
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// tests non-type template parameters within () brackets - was causing an infinite loop, issue #2418
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template <typename A, typename B, std::enable_if_t<(std::is_integral_v<A>), bool> = true>
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void enableif2(const A a, const B b) {}
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template <typename A, typename B, std::enable_if_t<(std::is_integral_v<A> || std::is_same_v<A, node_t>), bool> = true>
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void enableif3(const A a, const B b) {}
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template <typename A, typename B, std::enable_if_t<(std::is_integral_v<A> or std::is_same_v<A, node_t>) and (std::is_integral_v<B> or std::is_same_v<B, position_t>), bool> = true>
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void enableif4(const A a, const B b) {}
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template <typename A, typename B, std::enable_if_t<(std::is_integral_v<A> and std::is_integral_v<B>), bool> = true>
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int enableif5(const A a, const B b) {
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return a + b;
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}
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void tester() {
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enableif5<int, int>(10, 20);
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}
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%}
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// non-type template parameters working well in SWIG, below is a simple workaround as the 3rd parameter is defaulted for enable_if_t (which is just SFINAE to give a nice C++ compiler error)
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%template(enableif5) enableif5<int, int, true>; // workaround
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