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import scala.xml.pull._ | |
import scalaz._ | |
import Scalaz._ | |
trait Input[F[_]] { | |
type =>>[A, B] = StateT[Option, F[A], B] | |
def uncons[A](f: F[A]): Option[(F[A], A)] | |
def next[A]: (A =>> A) = StateT { uncons } | |
def none[A, B] = Option.empty[(F[A], B)] |
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package sandbox | |
import scala.annotation.tailrec | |
import scala.util.continuations.{cps, _} | |
/* | |
Introduction to Programming with Shift and Reset | |
http://pllab.is.ocha.ac.jp/~asai/cw2011tutorial/main-e.pdf | |
*/ |
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import scala.annotation.tailrec | |
import Thunk._ | |
/* | |
https://www.cs.utah.edu/~mflatt/past-courses/cs6520/public_html/s02/cps.pdf | |
*/ | |
sealed trait Thunk[A, B] { | |
@inline final def run(f: A => B): B = Thunk.run(this, f) | |
} |
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import cats._ | |
import cats.implicits._ | |
import scala.annotation.tailrec | |
import scala.util.control.TailCalls._ | |
/* | |
http://okmij.org/ftp/continuations/zipper.html | |
http://okmij.org/ftp/Haskell/ZipperTraversable.hs | |
*/ |
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import org.parboiled2._ | |
/* | |
http://okmij.org/ftp/tagless-final/course/lecture.pdf | |
*/ | |
object Tagless extends scala.App { | |
type Id[A] = A | |
trait ~>[F[_], G[_]] { |
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import Cont._ | |
object ContTest extends App { | |
def fib() = loop(for { | |
(x, y) <- take[(BigInt, BigInt), Stream[BigInt]] | |
_ <- put(x) | |
} yield (y, x + y))(1, 1) | |
println(fib().take(100).toList) |
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/* | |
https://github.com/rizo/streams/blob/master/src/coroutine.ml | |
https://pusher.com/sessions/meetup/the-realtime-guild/realtime-stream-processing-with-coroutines | |
*/ | |
object Pipes { | |
sealed trait Pipe[I, O, R] { | |
final def flatMap[T](f: R => Pipe[I, O, T]): Pipe[I, O, T] = this match { |
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// Faster coroutine pipelines | |
// https://dl.acm.org/citation.cfm?doid=3136534.3110249 | |
// https://github.com/iokasimov/pipeline/blob/master/Control/Pipeline.hs | |
object Monads { | |
trait Monad[M[_]] { | |
def pure[A](a: A): M[A] | |
def >>=[A, B](m: M[A])(f: A => M[B]): M[B] |
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import io.vavr.Tuple; | |
import io.vavr.collection.Iterator; | |
import io.vavr.control.Option; | |
import io.vavr.control.Try; | |
import java.util.List; | |
import java.util.function.*; | |
public interface Mapper<S, T> extends BiFunction<T, S, Boolean> { |
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package json.diff; | |
import com.fasterxml.jackson.core.JsonLocation; | |
import com.fasterxml.jackson.core.JsonParser; | |
import com.fasterxml.jackson.core.JsonToken; | |
import com.fasterxml.jackson.databind.ObjectMapper; | |
import com.google.common.collect.MapDifference; | |
import com.google.common.collect.Maps; | |
import java.io.File; |
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