ndmitchell

module Main(main) where

import Data.Maybe
import Data.List

-- Data table copied from https://matthewearl.github.io/2015/12/10/gchq-xmas-card/
width = 25
height = 25
rows = [

paulp

scala> case class Foo(x: Int = -12345)
defined class Foo

scala> def y = 5
y: Int

scala> val x = Foo(y)
x: Foo = Foo(5)

scala> val x = Foo{y}

etorreborre

// for a given typeclass  
trait CharIso[T] {
  def toChar(t: T): Char
  def fromChar(c: Char): T
}

// provide the following apply method
// so that you can write: CharIso[T].toChar(...) instead of implicitly[CharIso[T]].toChar(...)  
object CharIso {
  def apply[T : CharIso]: CharIso[T] = implicitly[CharIso[T]]

tpolecat

Hi, looking for scalac flags?

This gist has been upgraded to a blog post here.

chilang

//http://en.wikipedia.org/wiki/Geohash
object geohash {
	val LAT_RANGE = (-90.0, 90.0)
	val LON_RANGE = (-180.0, 180.0)

	private def mid(pair:(Double,Double)) = (pair._1+pair._2) / 2
	
	private def decodePart(range:(Double,Double), bin:String) = bin.map(_.toInt - '0'.toInt).foldLeft(range)( (acc,bit) => if (bit == 0) (acc._1, mid(acc)) else (mid(acc), acc._2) )

	import base32._

JohnNilsson

trait PartialType[T[_, _], A] {
  type Apply[B] = T[A, B]
  type Flip[B] = T[B, A]
}
 
trait Fluffy[F[_]] {
  def furry[A, B](f: A => B, fa: F[A]): F[B]
}
 
object Fluffy {

oxbowlakes

/**
 * Part Zero : 10:15 Saturday Night
 *
 * (In which we will see how to let the type system help you handle failure)...
 *
 * First let's define a domain. (All the following requires scala 2.9.x and scalaz 6.0)
 */

import scalaz._
import Scalaz._