...格式
会生成7个table，每个table包含2^K个entry，现在K取值20，所以每个table有1M个entry；每个entry的格式如下：
```rust
pub(super) enum Table
where
EvaluatableUsize: Sized,
{
/// First table with contents of entries split into separate vectors for more ...
...ount
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ----------------------------------------------------------...