Implementation of Horner-Ruffini's method written in Rust and compiled to WebAssembly.

First run may feel slower due to web assembly loading.

Any UTF-8 can be used, eg. 42 in base 0123456789 (base 10 aka decimal) to base 🦀🥰 (base 2 aka binary) gives 🥰🦀🥰🦀🥰🦀 (or 101010 if output base is 01).