Write everyday Yo application and library code. Use this when choosing Yo types, imports, strings, Option/Result, collections, traits, boxes, pointers, and standard-library modules.
Write and repair Yo source code. Use this when authoring, reviewing, or debugging .yo files, especially around declarations, begin blocks, cond/match, imports, recursion, function calls, and parser-facing errors.
Write Yo async code and algebraic effect handlers. Use this when working with Io, Future, JoinHandle, ctl/fn handlers, io.async, io.await, io.spawn, return, and unwind.
Build, test, scaffold, format, and manage Yo projects. Use this when working with yo init, build.yo, yo build, yo compile, yo test, yo fmt, yo install, yo fetch, yo version, or cross-platform Yo project setup.
Build Yo libraries for WebAssembly and publish as npm packages. Use this when working with WASM targets, Emscripten, WASI, npm packaging, JavaScript/TypeScript wrappers, or browser/Node.js integration.