Namespacing in Io is just like building any other object, but the loader doesn’t make it entirely easy to split multiple objects under a namespace into separate files.

In a library I’m writing I wanted something like this, so I created an object called Library, which looks like

Library := Object clone do(

  loadPath := nil
  setLoadPath := method(path,
    loadPath = path

  forward := method(
    name := call message name
    path := Path with(loadPath, name .. ".io") asSymbol
    if(File with(path) exists,
      Lobby doFile(path),


Then you can have parts of a namespace auto-load by setting them up with the loader: HTTP := Library clone setLoadPath("lib/iou/http") Io is pretty amazing, having a really good time with the projects I’m working on still.