Contents

• Diving in
• Ammonite REPL
• SBT
• Defining requests
• Deferring action
• Demanding answers

1. Bargaining with futures
   • Transformations
   • Future#print
   • Future#completeOption
   1. Abstraction over future information
      • Palling around with Weather Underground
      • Parsing XML
      • Traversing XML
      • Temperature of the future
   2. Working with multiple futures
      • Independent futures
      • Yielding combined results
      • Dependent futures and concurrency
   3. Arbitrarily many futures
      • Iterables of futures
      • Future.sequence
      • A future of the hottest
2. A future of success and failure
   • Failed futures
   • Future#print for failed futures
   • Applying failed futures
   • Transforming broken futures
   • Deferred failed futures
   • Planning for failure
   1. Success as the only option
      • Future#option
      • Optional weather
      • Optional temperature
      • Optional hotness
      • Unknown error
   2. Either type will do
      • Either an error or success
      • Average or failure
      • Top of the class
      • Why not eject?
      • Understanding either
   3. Either Future
      • Future#either
      • Weather with either
      • Projections on futures
      • Handling missing input
      • Composing with either
      • Composing futures of either
      • Testing the error handling
      • Hottness to the max
      • Testing the hottest
3. Defining requests
   • Domains and paths
     • Free-form URLs
     • Explicit host builder
     • Using HTTPS
     • Appending path elements
   1. HTTP methods and parameters
      • HTTP methods
      • POST parameters
      • POST verb
      • Query parameters
      • PUT a file
4. Unraveling for-expressions
   • Read about for-expressions
     • What are for-comprehensions?
   • Break apart complex problems
   • For-expression (in)completeness
5. Scaladoc Index
   • Dispatch 0.13.x
6. Contents in Depth
7. Combined Pages