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package t | |
import sbt._ | |
object Main { | |
def simpleFileFilterFnClass(ff: FileFilter) = ff.asInstanceOf[SimpleFileFilter].acceptFunction.getClass | |
def simpleFilterFnClass(ff: FileFilter) = ff.asInstanceOf[SimpleFilter].acceptFunction.getClass | |
sealed abstract class Extractor { | |
def fnClass: Class[_ <: (Nothing => Boolean)] |
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/** 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 in Global += "-D1" | |
scalacOptions in ThisBuild += "-D0" | |
scalacOptions := Seq("-DSBT") |
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def buildFiles(b: File) = ((b * "*.sbt") +++ ((b / "project") ** ("*.scala" | "*.sbt")) filter (_.isFile)) | |
def genBuildFilesHashesAt(base: File) = buildFiles(base).get.map(f => f -> (Hash toHex Hash(f))).toMap | |
def genBuildFilesHashes(units: Map[URI, LoadedBuildUnit]) = | |
(units.values flatMap (_.defined) map (_._2.base) flatMap genBuildFilesHashesAt).toMap.## | |
val buildFilesHashes = settingKey[Int]("") in Global | |
buildFilesHashes := genBuildFilesHashes(loadedBuild.value.units) | |
shellPrompt in Global := (s => |
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# In order for gpg to find gpg-agent, gpg-agent must be running, and there must be an env | |
# variable pointing GPG to the gpg-agent socket. This little script, which must be sourced | |
# in your shell's init script (ie, .bash_profile, .zshrc, whatever), will either start | |
# gpg-agent or set up the GPG_AGENT_INFO variable if it's already running. | |
# Add the following to your shell init to set up gpg-agent automatically for every shell | |
if [ -f ~/.gnupg/.gpg-agent-info ] && [ -n "$(pgrep gpg-agent)" ]; then | |
source ~/.gnupg/.gpg-agent-info | |
export GPG_AGENT_INFO | |
else |
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////////////////////////////// SCALA SYNTAX SPEC ////////////////////////////// | |
// NEWLINE, SEMI-COLON, COMMENT | |
nl ::= “new line character” | |
semi ::= ‘;’ | nl {nl} | |
comment ::= ‘/*’ “any sequence of characters; nested comments are allowed” ‘*/’ | |
| ‘//’ “any sequence of characters up to end of line” | |
// NUMBERS | |
nonZeroDigit ::= ‘1’ | … | ‘9’ |
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package p | |
/** Decodes strings into Ts */ | |
trait Decoder[T] { | |
def decode(s: String): Either[String, T] | |
} | |
object Decoder { | |
def apply[T](f: String => Either[String, T]): Decoder[T] = | |
new Decoder[T] { def decode(s: String) = f(s) } |
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class Thingy(val unThingy: String) extends AnyVal | |
class Rocket(val unRocket: Thingy) extends AnyVal |
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final case class MapWithTabularLite[K, V](private val xs: TraversableOnce[(K, V)]) extends AnyVal { | |
def showkv() = if (xs.nonEmpty) { | |
val len = xs.toIterator.map(_._1.toString.length).max | |
val fmt = s"%${len}s %s" | |
xs foreach (kv => println(fmt format (kv._1, kv._2))) | |
} | |
} | |
final case class MultimapWithTabularLite[K, V](private val xs: TraversableOnce[(K, TraversableOnce[V])]) extends AnyVal { | |
def showkvs() = if (xs.nonEmpty) { |
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// Quasiquoted excerpt | |
def cdef = q""" | |
class $ClassName[..$classTypeParams](..$primaryParams) extends ..$classParents { | |
..$primaryAccessors | |
def get = this | |
def isEmpty = ${quasi.isEmpty} | |
def copy(..$primaryWithDefaults) = $ObjectName(..$primaryNames) |
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import scalaz.\/ | |
import scalaz.concurrent.Task | |
import scala.concurrent.{ ExecutionContext, Future, Promise } | |
import scala.util.Try | |
class TaskCompat(private val T: Task.type) extends AnyVal { | |
def fromScala[A](future: Future[A])(implicit ec: ExecutionContext): Task[A] = | |
Task async (handlerConversion andThen future.onComplete) |