finalish cleanup

PITCHME.md

@@ -19,8 +19,6 @@
 
 ---?include=assets/md/04_zio/PITCHME.md
 
----?include=assets/md/05_inter-op/PITCHME.md
-
----?include=assets/md/06_conclusion/PITCHME.md
+---?include=assets/md/05_conclusion/PITCHME.md
 
 

assets/css/PITCHME.css

@@ -7,11 +7,11 @@
   }
 
 .reveal pre code {
-  font-size: 0.8em;
+  font-size: 0.75em;
 }
 
 .reveal li {
-  font-size: 60%
+  font-size: 70%
 }
 
 .title-box {
@@ -24,5 +24,5 @@
 .footnote {
   color: gray !important;
   font-style: italic !important;
-  font-size: .3em !important;
+  font-size: .4em !important;
 }

assets/md/02_future/PITCHME.md

@@ -96,7 +96,7 @@ object Helper {
 @snapend
 
 - Handles certain exceptions differently from others | 
-  - TimeoutException i.e. ControlThrowable |
+  - Errors |
   - scala.runtime.NonLocalReturnControl[_] |
   - InterruptedException |
 

assets/md/02a_return/PITCHME.md

@@ -1,5 +1,5 @@
 @snap[north]
-@color[#eb4500](Return: Off topic rant)
+@color[#eb4500](return: Off topic rant)
 @snapend
 
 [Don't Use Return in Scala](https://tpolecat.github.io/2014/05/09/return.html)

assets/md/03_io/PITCHME.md

@@ -3,34 +3,14 @@
 +++
 
 @snap[north]
-@color[#eb4500](Substitutional Impurity)
+@color[#eb4500](What we need)
 @snapend
 
-#### Why do we say that println is impure?
-
-```scala
-println("Hello World")
-// Any => Unit or ()
-```
-
-- It breaks substitution because I cannot replace () with println without changing the effect my program has
-
-+++
-
-@snap[north]
-@color[#eb4500](Purity is not enough)
-@snapend
-
-```scala
-object Pure {
-  def println(msg: String) = () => Predef.println(msg)
-}
-
-// Pure.println("IO is cool") is equivalent to () => Predef.println(msg)
-```
-
-- Thunks EVERYWHERE? |
-- At some point we've got to dispatch these actions |
+- Fine grained control over when and how to execute |
+  - Blocking |
+  - Concurrently |
+  - In Parallel |
+
 - Also, we'd like some abstractions for different evaluation modes  |
   - Strict (Eager) |
   - Lazy (Synchronous) |
@@ -60,7 +40,7 @@ object Pure {
 - fs2 and Monix Task |
   - All the evaluation modes |
   - Performant |
-  - Tied to the larger framework |
+  - But Tied to the larger framework |
 
 - Scalaz 7 IO |
   - Doesn't really support asynchronous computation (i.e. callbacks) |

assets/md/04_zio/PITCHME.md

@@ -14,4 +14,22 @@ IO.syncException(FileUtils.readFileToByteArray(new File(name))): IO[Exception, A
 def makeRequest(req: Request): IO[HttpException, Response] = IO.async(cb => Http.req(req, cb)) // Async IO
 ```
 
----?code=assets/src/future-vs-io/src/main/scala/example/FutureVsIO.scala&lang=scala&title=ZIO Console Example   
++++?code=assets/src/future-vs-io/src/main/scala/example/FutureVsIO.scala&lang=scala&title=ZIO Console Example
+
++++
+@snap[north]
+@color[#eb4500](Fibers: Lightweight Concurrency Mechanism)
+@snapend
+
+```scala
+val analyzed =
+  for {
+    fiber1   <- analyzeData(data).fork  // IO[E, Analysis]
+    fiber2   <- validateData(data).fork // IO[E, Boolean]
+    ... // Do other stuff
+    valid    <- fiber2.join
+    _        <- if (!valid) fiber1.interrupt(DataValidationError(data))
+                else IO.unit
+    analyzed <- fiber1.join
+  } yield analyzed
+```

assets/md/06_conclusion/PITCHME.md → assets/md/05_conclusion/PITCHME.md

@@ -3,6 +3,8 @@
 @snapend
 
 - Resource Management (File handles, JDBC Connections etc.)
+- inter-op (Future, Task and Scalaz 7 `IO`)
+- Scheduling
 - Brackets 
 - Fibers
 - Refs