1. 1. Introduction
2. 1. 1.1. Concepts Tour
   2. 1.2. Basic Effects
   3. 1.3. Effect Requirements
   4. 1. 1.3.1. Shuffling Ands
      2. 1.3.2. Providers
      3. 1.3.3. Context Requirements
      4. 1.3.4. Functional Requirements
   5. 1.4. Effect Requests
   6. 1.5. Handlers
   7. 1.6. Example HTTP app
3. 2. Core Effects
4. 1. 2.1. Reader/Writer
   2. 2.2. Abort
5. 3. Contributing