How to read a leaf from a branch

In this branch, there are 3 leaves.
Br 6 : pid : pid[2]/S
*Entries : 863454 : Total Size= 9009048 bytes File Size = 3327004 *
*Baskets : 193 : Basket Size= 64000 bytes Compression= 2.68 *

how to read every leaf’s value?
Thanks.

Call the method MakeClass or MakeSelector on your tree to see a concrete example.

Cheers,
Philippe.