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Filippo De Luca filosganga

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filosganga / GuavaFutures.scala
Created Sep 16, 2017
How to convert a Guava ListeanbelFuture to Cats Async
View GuavaFutures.scala
import cats.effect.Async
import{FutureCallback, Futures, ListenableFuture}
import scala.concurrent.ExecutionContext
object GuavaFutures {
implicit class RichListenableFuture[T](lf: ListenableFuture[T]) {
def toAsync[F[_]: Async](implicit ec: ExecutionContext): F[T] = {
View time-avro-example.avsc
"type" : "record",
"name" : "TimeExamples",
"namespace": "com.example",
"fields" : [
"name": "aDate",
"type": "int"
"logicalType": "date"
filosganga / ResourceMapStage.scala
Last active Mar 23, 2017
A map stage that control a resource lifecycle.
View ResourceMapStage.scala
import{GraphStage, GraphStageLogic, InHandler, OutHandler}
import scala.util.control.NonFatal
class ResourceMapStage[In, Out, R](opener: () => R, closer: R => Unit, f: R => In Out) extends GraphStage[FlowShape[In, Out]] {
val in = Inlet[In]("")
val out = Outlet[Out]("ResourceMap.out")

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Verifying that +filosganga is my blockchain ID.
filosganga / .gitignore
Last active Aug 29, 2015 — forked from mpilquist/.gitignore
Simulacrum Example
View CssParser.scala
import util.parsing.combinator.JavaTokenParsers
case class Rule(val selectors : List[String], val properties : List[Property])
case class Property(name: String, value: String)
object CssParser extends JavaTokenParsers {
def rules = rule+
filosganga / CycleIterator.scala
Created Oct 27, 2013
An Iterator that cycles trough the given elements
View CycleIterator.scala
class CycleIterator[B <: A, +A](elements: Iterable[B]) extends Iterator[A] {
var iterator: Iterator[B] = Iterator.empty
def hasNext: Boolean = {
if (!iterator.hasNext) {
iterator = elements.iterator
filosganga /
Last active Dec 26, 2015
It implements an Iterable that take elements from a list of Iterable in a round robin fashion. The test is most explicative than the description.
import static;
import static;
import static;
import static java.util.Arrays.asList;
import java.util.Iterator;
filosganga / FizzBuzz.scala
Created Nov 7, 2012
FizzBuzz implementation
View FizzBuzz.scala
class FizzBuzz(divisors = Map(3->"Fizz", 5->"Buzz")) {
def fizzBuzz(n: Int): String = {
divisors.foldLeft(""){(res, d)=>
n % d._1 match {
case 0 => res + d._2
case _ => res
} match {
case "" => n.toString
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