锯齿状阵列初始化
注意括号区分锯齿状数组和多维数组 SubArrays 可以具有不同的长度
Dim jaggedArray()() As Integer = { ({1, 2, 3}), ({4, 5, 6}), ({7}) }
' jaggedArray(0) is {1, 2, 3} and so jaggedArray(0)(0) is 1
' jaggedArray(1) is {4, 5, 6} and so jaggedArray(1)(0) is 4
' jaggedArray(2) is {7} and so jaggedArray(2)(0) is 7