About the Playground
Fo is a new language which compiles to Go and adds some functional programming features. The name is short for "Functional Go". You can find the full source code, examples, issues, and more on GitHub
The Fo Playground is based on The Go Playground and works similarly. The service receives a Fo program, transpiles it to Go, compiles, links, and runs the program inside a sandbox, then returns the output.
There are limitations to the programs that can be run in the playground: