We should allow both fixed and arbitrary precision rational support. - `rat64`: signed 64-bit rational operations building on the [`num_rational` crate](https://crates.io/crates/num_rational) - `bigrat`: signed arbitrary-precision rational operations building on the [`num_rational` crate](https://crates.io/crates/num_rational)
We should allow both fixed and arbitrary precision rational support.
rat64: signed 64-bit rational operations building on thenum_rationalcratebigrat: signed arbitrary-precision rational operations building on thenum_rationalcrate