Factor documentation

Starting points
- Factor cookbook
- Vocabulary index
- Changes in the latest release
- Command line usage

Language reference
- Conventions
- Syntax
- Data and control flow
- Objects
- Program organization

Library reference
- Numbers
- Collections
- Input and output
- System interface
- C library interface

Environment reference
- The prettyprinter
- Developer tools
- Help system
- Stack effect inference
- Optimizing compiler

User interface
- UI framework
- UI development tools

Index
- Primitive index
- Error index
- Type index
- Class index