anchor.diff:  ====
   
   ====
  -`swap!` - TBD
  -[source.code,clojure]
  -----
  -
  -----
  -====
  -
  -====
  -`swap-vals!` - TBD
  -====
  -
  -====
   `time` - Give the time of an instant:
   [source.code,clojure]
   ----
  
positive.code: [source.code,clojure]
  ----
  (t/coincident? (t/today) (t/today))
  ----
  ====
  
  ====
  `compare-and-set!` - TBD
  [source.code,clojure]
  ----
  
  ----
  ====
  
  
negative.code: 
  This section gives, in alphabetical order, examples of how to use each function in the tick api library.
  
  ====
  `+` - Add a duration to an instant:
  [source.code,clojure]
  