The original Io book, organized by chapter.
The origins, philosophy, and influences behind Io.
View →Io's minimal grammar: expressions, messages, and operators.
View →Slots, prototypes, cloning, and differential inheritance.
View →Branching, loops, exceptions, and scope.
View →Coroutines, actors, futures, and Io's concurrency model.
View →Built-in objects: numbers, strings, lists, maps, files, and more.
View →Grammar reference and citations.
View →