jm + immutability   3

A quantitive analysis of the impact of arbitrary blockchain content on Bitcoin
'People put all sorts of things into the Bitcoin blockchain - some of it objectionable, some of it illegal. Now what?'
blockchain  bitcoin  ledger  immutability  internet  law  crime  papers 
march 2018 by jm
'Pickles & Spores: Improving Support for Distributed Programming in Scala
'Spores are "small units of possibly mobile functional behavior". They're a closure-like abstraction meant for use in distributed or concurrent environments. Spores provide a guarantee that the environment is effectively immutable, and safe to ship over the wire. Spores aim to give library authors some confidence in exposing functions (or, rather, spores) in public APIs for safe consumption in a distributed or concurrent environment.

The first part of the talk covers a simpler variant of spores as they are proposed for inclusion in Scala 2.11. The second part of the talk briefly introduces a current research project ongoing at EPFL which leverages Scala's type system to provide type constraints that give authors finer-grained control over spore capturing semantics. What's more, these type constraints can be composed during spore composition, so library authors are effectively able to propagate expert knowledge via these composable constraints.

The last part of the talk briefly covers Scala/Pickling, a fast new, open serialization framework.'
pickling  scala  presentations  spores  closures  fp  immutability  coding  distributed  distcomp  serialization  formats  network 
april 2014 by jm
#AltDevBlogADay » Functional Programming in C++
John Carmack makes a case for writing C++ in an FP style, with wide use of const and pure functions. something similar can be achieved in pure Java using Guava's Immutable types, to a certain extent. I love his other posts on this site -- he argues persuasively for static code analysis and keeping multiple alternative subsystem implementations, too
c++  programming  functional-programming  fp  coding  john-carmack  const  immutability 
october 2012 by jm

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