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The latest version of the book is P1.0, released 5 months ago. If you've bought a PDF of the book and would like to update it to this version (for free), visit your home page.

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  • Typo
  • Tech. error
  • Suggestion
  • Maybe next edition
  • Not a problem
  • Reported in: P1.0 (07-Feb-20)
#86299
PDF page: xvi

There is a closing parenthesis missing on the line:

def main(args:Array[String]:Unit = {
--Christophe Calves

  • Reported in: P1.0 (12-Mar-20)
#86441
PDF page: 6

It says that hexadecimal address consists of 16 characters, but actually it has 14 characters

  • Reported in: P1.0 (30-Jan-20)
#86283
PDF page: 22
There's this: > If you look in your build directory at target/scala-2.11, you’ll see a 4.2MB executable file called hello-minimal-out. And the n...more...
  • Reported in: P1.0 (30-Jan-20)
#86282
PDF page: 27
> We aren’t passing any arguments yet, so we don’t have any additional arguments or placeholders in the format string. > Second, the string itself...more...
  • Reported in: P1.0 (06-Mar-20)
#86419
PDF page: 114
In LibUVServer/async_tcp/main.scala listing: the meaning of these two lines is not obvious at first: var client_state_ptr = (!client).asInstanceO...more...
  • Reported in: P1.0 (06-Mar-20)
#86420
Paper page: 114
in main.scala listing client_state_ptr is set twice, both inside initialize_client_state(...) : !client = client_state_ptr.asInstanceOf[Ptr[Byte]] b...more...