init commit
introduction: from md to org using pandoc
chapter 1, extractors, org mode
chapter2, extractor sequences
pattern everywhere chapter 3
pattern matching anonymous functions
chpater 5, option type
chapter 6, error handing with try
chapter 7, either type
chapter 8, welcome to the future
chapter 9, promise and future in practice
chapter 10, staying DRY with higher order functions
currying
chapter 12, type class
chapter 13, path dependent type
chapter 14, actor model in akka
chapter 15, deal with failure in actor model
the end of the series
a description of the repo