ShahOdin

CREATE TABLE link (
   ID serial PRIMARY KEY,
   name VARCHAR (255) NOT NULL,
   other VARCHAR (255) NOT NULL,
   score INT NOT NULL
);

INSERT INTO link (name, other, score)
VALUES
   ('Foo', 'ABC' , 13),

ShahOdin

import cats.effect.{ExitCode, IO, IOApp, Resource}
import scala.util.Random

object Demo extends IOApp {
  var i = 0
  def foo: IO[Int] = IO{
    i = i + 1
    i
  }.flatTap(
    j => IO{

ShahOdin

import java.util.concurrent.Future

import cats.Applicative
import cats.effect.{Concurrent, Sync, Timer}
import cats.effect.concurrent.Deferred
import fs2.Stream
import cats.syntax.flatMap._
import cats.syntax.functor._

import scala.concurrent.duration.FiniteDuration

ShahOdin

object Demo {

  def getMedian(ints:List[Int]): Int = ints.sorted.apply(ints.length / 2)

  //sorry no shapless here. all these lists have the same length. in two dimensions they will have length two.
  case class Point(coordinates: List[Int])
  object Point{
    def in2D(x: Int, y: Int): Point = Point(List(x,y))
    def estimateNearestPoint(points: List[Point], point: Point): Point = {
      val indexOfPointWithSmallestDistance: Int = points

ShahOdin

package com.itv.sif.db

import cats.effect.IOApp
import java.util.concurrent.Executors
import fs2.Stream
import cats.syntax.functor._

import scala.concurrent.ExecutionContext
import cats.effect._

ShahOdin

package com.itv.sif.db

import cats.{Order, Show}
import cats.data.{Ior, NonEmptyList, NonEmptySet, Validated}
import cats.kernel.Semigroup

import cats.syntax.apply._
import cats.syntax.option._
import cats.syntax.order._
import cats.syntax.show._

ShahOdin

import cats.data.{Ior, NonEmptyList, NonEmptySet}
import io.circe.Json

object demo2 {

  type TimeStamp = Long
  type Identifier = Long //unique identifier, ie: ccid + streaming-platform perhaps?
  type Reason = String

  //Having two tables, storing only validated data in the Success table, and storing unavailability reasons in the other table.

ShahOdin

package com.itv.sif.db

import cats.Show
import cats.data.{NonEmptyList, NonEmptySet, Validated}
import cats.syntax.apply._
import cats.syntax.either._
import cats.syntax.validated._
import cats.syntax.show._
import cats.instances.all._
import cats.kernel.Semigroup

ShahOdin

import cats.data.{NonEmptyChain, NonEmptyList, Validated, ValidatedNec}
import cats.syntax.apply._
import cats.syntax.option._
import cats.syntax.either._
import cats.instances.all._

//just a demonstration of aggregating partial updates in a flattened model
object partialUpdateBasicDemo extends App {

  type A = String

ShahOdin

(defn is_divisible [n m] (= (mod n m) 0))

(defn is_prime[n] 
  (every? 
     #(not (is_divisible n %)) 
      (range 2 (- n 1))))

(take-last 3 (filter is_prime (range 1 20)))