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%module cpp11_variadic_function_templates
// Some tests for variadic function templates
%inline %{
class A {
public:
A() {
a = 100;
}
virtual ~A() {}
int a;
};
class B {
public:
B() {
b = 200;
}
virtual ~B() {}
int b;
};
class C {
public:
C() {
c = 300;
}
virtual ~C() {}
int c;
};
class D {
public:
D() {
d = 400;
}
virtual ~D() {}
int d;
};
%}
// #1863
%inline %{
class Container {
public:
template<typename... Args>
static void notifyMyTypes(void (fn)(Args...)); // unconventional function (ptr)
template<typename... Args>
static void notifyMyTypesA(void (*fn)(Args...)) {} // conventional function ptr
template<typename... Args>
static void notifyMyTypesB(void fn(Args...)) {}; // unconventional function (ptr)
};
%}
%{
template<typename... Args>
void Container::notifyMyTypes(void (fn)(Args...)) {}
// Explicit template instantiations
template void Container::notifyMyTypes<>(void (tt)());
template void Container::notifyMyTypes<int>(void (tt)(int));
template void Container::notifyMyTypes<int, double>(void (tt)(int, double));
%}
// Not supported (most vexing parse), see Extending.html#Extending_nn7
//%template(ContainerNotifyMyTypes1) Container::notifyMyTypes<int>;
%template(ContainerNotifyMyTypesA1) Container::notifyMyTypesA<int>;
%template(ContainerNotifyMyTypesB1) Container::notifyMyTypesB<int>;
// #1863
%inline %{
#include <type_traits>
class EmplaceContainer {
public:
template<typename T, typename... Args>
void emplace(Args &&... args) noexcept(
std::is_nothrow_constructible<T, Args &&...>::value) {}
};
%}
%template(emplace) EmplaceContainer::emplace<int,A>;
%template(emplace) EmplaceContainer::emplace<int,A,B>;
%template(emplace) EmplaceContainer::emplace<int,A,B,C>;
%template(emplace) EmplaceContainer::emplace<int,A,B,C,D>;
// Overloading mix of variadic and non-variadic templates
%inline %{
template<typename T, typename U> int variadicmix1(T t, U u) { return 10; }
template<typename... T> int variadicmix1(T... t) { return 20; }
%}
%template(variadicmix1) variadicmix1<>;
%template(variadicmix1) variadicmix1<A>;
%template(variadicmix1) variadicmix1<A,B>;
%template(variadicmix1) variadicmix1<A,B,C>;
%template(variadicmix1) variadicmix1<int, int>;
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