#include <iostream>
#include <initializer_list>
#include <array>
 
int main() {
 
	int arr1[] =  { 1, 2, 3 };	// OK
	std::array<int, 3> arr2 =  { 1, 2, 3 };	// OK
 
	std::initializer_list<int> il = { 1, 2, 3 };
	constexpr std::initializer_list<int> il_constexpr = { 1, 2, 3 };
 
	//int arr3[] = il;	// error
	//int arr4[] = il_constexpr;	// error
 
	//std::array<int, 3> arr5 =  il;	// error
	//std::array<int, 3> arr6 =  il_constexpr;	// error
 
	return 0;
}

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