/*
# Examples
```
use based::Base;
let base16 = Base::new("0123456789abcdef");
let sixteen = base16.from_str::<usize>("10");
assert_eq!(sixteen.unwrap(), 16);
```
*/
/*
# Examples
```
use based::Base;
let base16 = Base::new("0123456789abcdef");
let sixteen = base16.digits::<usize>(16);
assert_eq!(sixteen, "10");
```
*/