0xYUANTI

Keybase proof

I hereby claim:

• I am 0xyuanti on github.
• I am yuanti (https://keybase.io/yuanti) on keybase.
• I have a public key ASAVjKmujfL5xp2V7HHVm9HVxufwaZkwQp7W34Mu4c6mnwo

To claim this, I am signing this object:

0xYUANTI

// this seems like a useful FS2 Stream function, is it already built in?
// Folds a function into a stream and gives you a stream of the intermediate
// accumulator values, i.e.:
//   > val ones = Stream.iterate(1)(x => x) 
//   > ones.foldIncremental(0)(_ + _) take 3 toList
//   ==> List[Int] = List(1, 2, 3)

implicit class StreamOps[F[_], O](private val self: Stream[F, O]) {
  def foldIncremental[O2](z: O2)(f: (O2, O) => O2): Stream[F, O2] =
    self.mapAccumulate(z) {

0xYUANTI

import fs2.interop.scalaz._
import fs2.{Scheduler, Strategy, time}

import scala.concurrent.duration._
import scalaz.concurrent.{Task => ZTask}

// porting some code from scalaz.concurrent.chan to fs2...
// we need to call a few external rest apis every N seconds and process the results.
object App {
  def main(args: Array[String]): Unit = {

0xYUANTI

object icm {
  // Types
  type Player          = Int
  type Chips           = Double
  type Stacks          = Map[Player, Chips]

  type Rank            = Int
  type Money           = Double

0xYUANTI

adding 

type intLeaf = | Leaf int;

results in 

jakob@crunchy:/usr/home/jakob/git/botcloud/telegram-re$ rebuild -pkg cohttp.lwt wtf.native
+ /usr/local/bin/ocamldep.opt -modules -pp refmt -impl wtf.re | tee wtf.re.depends wtf.ml.depends
Fatal error: exception Not_found
File "wtf.re", line 1:

0xYUANTI

/* example from cohttp readme, works with rebuild -pkg cohttp.lwt wtf.native */

open Lwt;
open Cohttp;
open Cohttp_lwt_unix;

let coroutine =
  Client.get (Uri.of_string "http://www.reddit.com/") >>= fun (resp, body) => {
    let code = resp |> Response.status |> Code.code_of_status;
    Printf.printf "Response code: %d\n" code;

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// build.sbt
scalaVersion := "2.11.6"

libraryDependencies ++= Seq(
  "org.scalaz" %% "scalaz-core"       % "7.1.1",
  "org.scalaz" %% "scalaz-effect"     % "7.1.1",
  "org.scalaz" %% "scalaz-concurrent" % "7.1.1",

  "org.tpolecat" %% "doobie-core"               % "0.2.1",
  "org.tpolecat" %% "doobie-contrib-postgresql" % "0.2.1",

0xYUANTI

### Keybase proof

I hereby claim:

  * I am cannedprimates on github.
  * I am cannedprimates (https://keybase.io/cannedprimates) on keybase.
  * I have a public key whose fingerprint is 734D ECBA C500 533A 95AA  32B7 333D C302 DD8D 2180

To claim this, I am signing this object:

0xYUANTI

[info] Starting scala interpreter...
[info] 
Welcome to Scala version 2.10.4 (OpenJDK 64-Bit Server VM, Java 1.6.0_32).
Type in expressions to have them evaluated.
Type :help for more information.

scala> def f = 1
def f = 1
f: Int

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{function, recv, 1, 9}.
  {label,8}.
    {line,[{location,"reftrick.erl",33}]}.
    {func_info,{atom,reftrick},{atom,recv},1}.
  {label,9}.
    {test,is_eq_exact,{f,10},[{x,0},{integer,0}]}.
    {move,{atom,ok},{x,0}}.
    return.
  {label,10}.
    {allocate_zero,1,1}.