#include <iostream>
 
template<class X>
class Foo
{
public:
	Foo(const std::initializer_list<X> &A) { std::cout << "Foo:: initializer_list" << std::endl; }
	Foo(size_t n) { std::cout << "Foo:: size_t" << std::endl; }
};
 
class Bar
{
public:
	Bar() { std::cout << "Bar:: default" << std::endl; };
	Bar(const Foo<size_t> &A, bool a = true, bool b = true) { std::cout << "Bar:: Foo, (bool, bool)" << std::endl; };
};
 
int main()
{
	Bar{ }; // Bar:: default
	Bar{ 1 }; // Foo:: size_t, Bar:: Foo, (bool, bool)
	Bar{ 1, 1 }; // Foo:: size_t, Bar:: Foo, (bool, bool)
	Bar{ 1, 1, 1 }; // Foo:: size_t, Bar:: Foo, (bool, bool)
	Bar{ {1, 2, 3} }; // Foo:: initializer_list , Bar:: Foo, (bool, bool)
	Bar{ { 1, 2, 3 }, 1 }; // Foo:: initializer_list , Bar:: Foo, (bool, bool)
	Bar{ { 1, 2, 3 }, 1, 1 }; // Foo:: initializer_list , Bar:: Foo, (bool, bool)
}

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