49 lines
1.7 KiB
OpenEdge ABL
49 lines
1.7 KiB
OpenEdge ABL
%module cpp17_enable_if_t
|
|
|
|
// test use of enable_if_t but without full %template instantiation, that is no enable_if_t definition is parsed
|
|
|
|
%inline %{
|
|
#if defined(_MSC_VER) && _MSC_VER < 1920
|
|
#define or ||
|
|
#define and &&
|
|
#endif
|
|
|
|
#include <type_traits>
|
|
typedef int node_t;
|
|
typedef int position_t;
|
|
|
|
template <typename A, typename B, std::enable_if_t<std::is_integral_v<A>, bool> = true>
|
|
void enableif1(const A a, const B b) {}
|
|
|
|
// tests non-type template parameters within () brackets - was causing an infinite loop, issue #2418
|
|
template <typename A, typename B, std::enable_if_t<(std::is_integral_v<A>), bool> = true>
|
|
void enableif2(const A a, const B b) {}
|
|
|
|
template <typename A, typename B, std::enable_if_t<(std::is_integral_v<A> || std::is_same_v<A, node_t>), bool> = true>
|
|
void enableif3(const A a, const B b) {}
|
|
|
|
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>
|
|
void enableif4(const A a, const B b) {}
|
|
|
|
template <typename A, typename B, std::enable_if_t<(std::is_integral_v<A> and std::is_integral_v<B>), bool> = true>
|
|
int enableif5(const A a, const B b) {
|
|
return a + b;
|
|
}
|
|
|
|
void tester() {
|
|
enableif5<int, int>(10, 20);
|
|
}
|
|
%}
|
|
|
|
// 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)
|
|
%template(enableif5) enableif5<int, int, true>; // workaround
|
|
|
|
|
|
%inline %{
|
|
// #1037 infinite loop
|
|
template <typename T, std::enable_if_t<sizeof(T) <= 4>>
|
|
void destId(T el) {}
|
|
|
|
template <typename T, std::enable_if_t<sizeof(T) >= 3>>
|
|
void destId(const T& el) {}
|
|
%}
|