Amadou Cisse therealcisse

Libraries

Web Server: Play (framework) or http4s (library)
Actors: akka
Asynchronous Programming: monix (for tasks, reactors, observables, scheduler etc)
Authentication: Silhouette
Authorization: Deadbolt
Command-line option parsing: case-app
CSV Parsing: kantan.csv
DB: doobie (for PostgreSQL)

	package teikametrics

	import scala.collection.SortedMap

	/**
	* Immutable implementation of an LRU cache.
	*
	* @author Twitter
	*
	* Copy pasted from the version previously in twitter-util v19.1.0 at

	import cats.effect.ExitCase._
	import cats.effect.Sync
	import cats.effect.concurrent.Ref
	import cats.syntax.flatMap._
	import cats.syntax.functor._

	trait Tap[F[_]] {
	def apply[A](effect: F[A]): F[A]
	}

	val n = 9
	val s = Math.sqrt(n).toInt
	type Board = IndexedSeq[IndexedSeq[Int]]

	def solve(board: Board, cell: Int = 0): Option[Board] = (cell%n, cell/n) match {
	case (r, `n`) => Some(board)
	case (r, c) if board(r)(c) > 0 => solve(board, cell + 1)
	case (r, c) =>
	def guess(x: Int) = solve(board.updated(r, board(r).updated(c, x)), cell + 1)
	val used = board.indices.flatMap(i => Seq(board(r)(i), board(i)(c), board(s(r/s) + i/s)(s(c/s) + i%s)))