drexin

### Keybase proof

I hereby claim:

  * I am drexin on github.
  * I am drexin (https://keybase.io/drexin) on keybase.
  * I have a public key whose fingerprint is C489 C117 BC2C E2FA 446F  607F E529 608B D444 8B81

To claim this, I am signing this object:

drexin

protocol Monoid {
  func unit() -> Self
  func append(b: Self) -> Self
}

operator infix |+| { associativity left precedence 140 }
func |+|<A: Monoid>(a: A, b: A) -> A {
  return a.append(b)
}

drexin

object RefactorPuzzle {
  case class IntRdr[+A](read: Int => A) {
    def map[B](f: A => B): IntRdr[B] =
      IntRdr(f compose read)

    def flatMap[B](f: A => IntRdr[B]): IntRdr[B] =
      IntRdr(n => f(read(n)).read(n))
  }

  object IntRdr {

drexin

// This actor receives AMQP messages from the connection actor
// and forwards them to the receiver (in my case a channel)
class Forwarder(receiver: ActorRef) extends Actor {
  def receive = {
    case AMQPMessage(deliveryTag, key, data) =>
      val connectionActor = sender
      receiver ! Message(
        event = data,
        ack = true,

drexin

import java.io.File
import language.experimental.macros
import scala.reflect.macros.Context

object Macros {

  def LINE: Int = macro lineImpl

  def lineImpl(c: Context): c.Expr[Int] = {
    import c.universe._

drexin

module Foo
  def bar(fun)
    baz do (b)
      fun(b) % not in scope
    end
  end
end

drexin

import akka.actor._

import org.jruby.Ruby
import org.jruby.RubyClass
import org.jruby.RubyModule
import org.jruby.RubyObject
import org.jruby.anno.JRubyMethod
import org.jruby.anno.JRubyClass
import org.jruby.runtime.ObjectAllocator
import org.jruby.runtime.ThreadContext

drexin

2011-04-13 11:40:54
Full thread dump Java HotSpot(TM) 64-Bit Server VM (17.1-b03 mixed mode):

"824137379@qtp-1281689746-12 - /rest/graph/paths/from_user/3156271/to_company/28008" prio=10 tid=0x00007f2fe27b2800 nid=0x6497 runnable [0x0000000042a01000]
   java.lang.Thread.State: RUNNABLE
	at java.util.concurrent.ConcurrentHashMap$Segment.get(ConcurrentHashMap.java:344)
	at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:769)
	at org.neo4j.kernel.impl.cache.SoftLruCache.get(SoftLruCache.java:66)
	at org.neo4j.kernel.impl.core.NodeManager.getRelForProxy(NodeManager.java:522)
	at org.neo4j.kernel.impl.core.RelationshipProxy.getOtherNode(RelationshipProxy.java:60)

drexin

2011-04-13 10:27:32
Full thread dump Java HotSpot(TM) 64-Bit Server VM (19.1-b02-334 mixed mode):

"Attach Listener" daemon prio=9 tid=10a841000 nid=0x10d610000 waiting on condition [00000000]
   java.lang.Thread.State: RUNNABLE

"Timer-6" daemon prio=5 tid=102a4a000 nid=0x10d307000 in Object.wait() [10d306000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
	at java.lang.Object.wait(Native Method)
	- waiting on <7f40a0078> (a java.util.TaskQueue)

drexin

import org.neo4j.graphdb.GraphDatabaseService
import org.neo4j.graphdb.Node
import org.neo4j.server.plugins._
import org.neo4j.graphalgo.GraphAlgoFactory
import org.neo4j.kernel.OrderedByTypeExpander
import org.neo4j.graphdb.RelationshipType
import org.neo4j.graphdb.Path
import org.neo4j.helpers.collection.NestingIterable
import org.neo4j.helpers.collection.NestingIterator
import collection.JavaConversions.{asJavaIterable, asScalaIterable}