version 2.2.1

std::initializer_list supports for vector and dequeue

doc/examples/picontainers.cpp

@@ -49,6 +49,9 @@ PIVector<char> vec(4u, 'p');
 piForeachC (char i, vec)
 	cout << i << ", ";
 // p, p, p, p, 
+
+piCout << PIVector<int>({1, 2, 3});
+// 1, 2, 3
 //! [PIVector::PIVector]
 //! [PIVector::at_c]
 PIVector<int> vec;