auto x = [1, 2, 3] assert_equal(3, x.size()) // Make sure vector elements are copied into place for consistency with // map inplace construction var i = 1; var y = [i]; assert_equal(1, y[0]); i = 3; assert_equal(3, i); assert_equal(1, y[0]); // make sure initialization with a break in the middle works as expected var a = [0.0,0.0, 1.0,1.0]