Summary: 8 instances, 8 unique

Text	Count
// TODO: rewrite the above functions with this template	1
# TODO: removed due to refactor, can be add back if needed	1
// TODO: remove the "size" part of the return value	1
# TODO: rethink counters	1
// TODO: this may be simplified with constructor in the future version	1
// TODO: change to Rng	1
// // TODO: this is changed to float, making str repr not accurate	1
//     // TODO: magical number 19 to make it [0, 1)	1