}
}
- // Any vector of digits, which meets the structure of BigInt's `data` field, can be easily
- // converted into a big number just by removing trailing zeros. The `mut`
- // declaration for `v` here is just like the one in `let mut ...`: We completely own `v`, but Rust
- // still asks us to make our intention of modifying it explicit. This `mut` is *not* part of the
- // type of `from_vec` - the caller has to give up ownership of `v` anyway, so they don't care anymore
- // what you do to it.
+ // We can convert any little-endian vector of digits (i.e., least-significant digit first) into a number,
+ // by removing trailing zeros. The `mut` declaration for `v` here is just like the one in `let mut ...`:
+ // We completely own `v`, but Rust still asks us to make our intention of modifying it explicit. This
+ // `mut` is *not* part of the type of `from_vec` - the caller has to give up ownership of `v` anyway, so
+ // they don't care anymore what you do to it.
//
// **Exercise 05.1**: Implement this function.
//