Dale Wijnand dwijnand

See context.

To configure this script to automatically execute on file changes, save the XML config in ~/Library/LaunchAgents/dot-files.sync.plist then do:

launchctl load -w ~/Library/LaunchAgents/dot-files.sync.plist

The Cabal/Stack Disambiguation Guide

One of the most frequently asked Haskell beginner questions in recent years is:

"Stack or cabal?"

I will helpfully not answer this question. Instead I will hope to eliminate the confusion that many of the askers seem to have about the various different

Applied Functional Programming with Scala - Notes

1. Mastering Functions

A function is a mapping from one set, called a domain, to another set, called the codomain. A function associates every element in the domain with exactly one element in the codomain. In Scala, both domain and codomain are types.

val square : Int => Int = x => x * x

Monix Task: A diverging design

This document is about Task, an alternative for Scalaz's Task or Scala's Future. Note this is work in progress and this document suffered multiple modifications already:

	package demo

	import cats.{Applicative, Functor, Id, Semigroupal, Traverse}
	import cats.arrow.FunctionK

	/**
	* Type-lifting operation to replace the wildcard type (i.e. _).
	*
	* In some cases we end up with code like: List[Option[_]]. This is
	* fine unless you later need to write code in terms of a particular

	object SameGame {
	final case class Position(col: Int, row: Int)

	sealed trait Color
	case object Green extends Color
	case object Blue extends Color
	case object Red extends Color
	case object Brown extends Color
	case object Gray extends Color

	#!/usr/bin/env bash
	#
	# Use google's date range and "verbatim" simultaneously
	# Paul Phillips <[email protected]>
	#

	NAME="$(basename "$0")"
	read -r -d '' USAGE << EOM
	usage: $NAME [-s days] [-e days] [search terms]

	/** Your task is to reason your way to which compiler
	* options which will be passed for each of
	* 1) sbt root/compile
	* 2) sbt p1/compile
	*/

	scalacOptions := Seq("-DSBT")

	scalacOptions in ThisBuild += "-D0"
	scalacOptions in Global += "-D1"

	% sbtx dependencyGraph
	... blah blah ...
	[info] * Welcome to the sbt build definition for Scala! *
	[info] Check README.md for more information.
	[error] Not a valid command: dependencyGraph
	[error] Not a valid project ID: dependencyGraph


	% sbtx -Dplugins=graph dependencyGraph
	... blah blah ...