dir of int inames = ("one":1, "two":2, "three":3);
array of int a1 = (1,2,3);
array of int a2 = (10,11,12,13);
array of array of int aa = (a1,a2);
array of array of int bb = ((5,6),(7,8));

int i = 1;
float x = 2;
array of int a = (1,x,3.0);
tree of int ti = (1.1:1, 2.2:2, i:x);
tree of int ci = ti;
dir of array of float pairy = ("oneTwo":(1,2), "twoThreeFour":(2,3,4));