ip is a scheme interpreter implemented by golang, inspired by
- https://interpreterbook.com/
- http://norvig.com/lispy.html
- go run cmd/main.go qsort.scm
- go run cmd/main.go t.scm
- go run cmd/main.go --repl=1
- Interactive REPL shell
- Type: String, Number, Quote, LambdaProcess, List, Bool ...
- Call with current continuation
- Hand-Written lexer, parser