teigen’s gists

teigen / build.scala

Created December 13, 2011 08:14

	import sbt._
	import Keys._

	object build extends Build {

	// usage example
	lazy val example = Project(
	"example",
	file("."),
	settings = Defaults.defaultSettings ++ Nucleus.settings ++ Seq(

teigen / gist:1435102

Created December 5, 2011 20:00

sbt multi setting example

	lazy val yodawg = TaskKey[String]("yo-dawg", "I heard you liked settings, so I put a setting in your setting")

	yodawg <<= Project.app(moduleName :^: version :^: isSnapshot :^: KNil){
	case a :+: b :+: c :+: HNil => task(List(a, b, c).mkString("~"))
	}

	>show yo-dawg
	[info] web~2.0-SNAPSHOT~true

	// source: https://github.com/harrah/xsbt/blob/0.11/main/Structure.scala#L443

teigen / gist:1181563

Created August 30, 2011 18:10

webplugin setup suitable for jrebel (supports loading default.prop outside of directories being packaged)

	import sbt._
	import Keys._
	import com.github.siasia.WebPlugin._

	lazy val web = Defaults.defaultSettings ++ webSettings ++ Seq(
	libraryDependencies ++= Seq(jetty, lift, logback),
	/* add a location for development only resources */
	jettyClasspaths <<= (jettyClasspaths, sourceDirectory).map((j, src) => j.copy(classpath = j.classpath +++ src / "development" / "resources")),
	/* don't scan - use jrebel */
	jettyScanDirs := Nil,

teigen / dojo

Created April 29, 2011 13:58

	scala:

	case class Node(value:String, children:Node*)

	def pretty(node:Node, i:String = ""):String =
	node.children.foldLeft(i + node.value){ _ + "\n" + pretty(_:Node, i + "\t") }

	println(pretty(
	Node("parent",
	Node("child1"),

teigen / AkkaCometActor

Created February 13, 2011 12:18

Akka Comet Actor Bridge. Akka actor follows comet actor lifecycle

	trait AkkaCometActor extends CometActor {

	implicit val optionSelf:Option[ActorRef] = Some(Actor.actorOf(new Actor{
	protected def receive = {
	case a => AkkaCometActor.this ! a
	}
	}))

	override def localSetup {
	super.localSetup

teigen / gist:783575

Created January 17, 2011 22:01

Do we need Dynamic ?

	/* lib */
	trait Dynamic {
	def _select_(name: String):Dynamic
	def _invoke_(name: String)(args: Any*):Dynamic

	def ~ (name: Symbol) = _select_(name.name)
	def ~ (invocation:Invocation) = _invoke_(invocation.name)(invocation.args :_*)
	def typed[T]:T = asInstanceOf[T]
	}

teigen / 2.8.0.txt

Created December 26, 2010 13:06

2.8.0 -> 2.8.1 regression

	OhNoes.scala:2: error: scala.Symbol.apply("oh") of type Symbol does not take parameters
	val bug = 'oh('noes)
	^
	one error found

teigen / gist:449789

Created June 23, 2010 11:11

	// scala @ syntax in patternmatching implemented as a library

	object `@` {
	def unapply[A](a:A) = Some(a, a)
	}

	// usage

	val Nums = """(\d),(\d)""".r

teigen / ruby_inject.scala

Created January 8, 2010 08:01

	//playing around with ideas from http://nilanjan-braincasting.blogspot.com/2010/01/ruby-inject-in-scala.html

	import collection.TraversableLike

	implicit def traversableLike2HasInject[A, Repr](t:TraversableLike[A, Repr]) = new {
	def inject[B >: A](op:(B, A) => B):B = t.reduceLeft(op)
	}

	object &:+ extends ((Int, Int) => Int){
	override def apply(a:Int, b:Int) = a + b

teigen / hilite.scala

Created December 29, 2009 16:47

	/*
	This program is free software. It comes without any warranty, to
	the extent permitted by applicable law. You can redistribute it
	and/or modify it under the terms of the Do What The Fuck You Want
	To Public License, Version 2, as published by Sam Hocevar. See
	http://sam.zoy.org/wtfpl/COPYING for more details.


	Uses "http://www.hilite.me/api"

Jon-Anders Teigen teigen