KEncode: Packing Data for Strict Limits

Over the past few years, I found myself occasionally writing the same boilerplate: manually packing bits of application state into tight, heavily character-limited strings. It ended up with me creating a library for it called kencode. But first it's story time... and then a little explanation of the underlying tech of why kotlinx.serialization is so cool and THEN I'll go over kencode. It all started with URL callback links on an integrated Search Engine Results Page (SERP). In a previous project