Yann Ollivier YA2O

YA2O / build.sbt

Created June 14, 2018 11:33

SBT config for playing with scalaz in console

	scalaVersion := "2.11.4"

	libraryDependencies += "org.scalaz" %% "scalaz-core" % "7.2.24"

	initialCommands += "import scalaz._, Scalaz._"

YA2O / NonEmpty.scala

Created January 12, 2018 10:18

Container for non empty values. Uses Equal and Monoid type classes from Scalaz.

	import scalaz.{Equal, Monoid}
	import scalaz.Scalaz._

	final case class NonEmpty[A] private[NonEmpty](value: A)

	object NonEmpty {
	def wrap[A: Monoid: Equal](value: A): Option[NonEmpty[A]] =
	if (implicitly[Monoid[A]].zero === value)
	None
	else

YA2O / GetSystemProperties

Created June 18, 2013 13:35

List system properties

	Properties props = System.getProperties();
	props.list(System.out);

YA2O / ReadFileAsString

Created June 18, 2013 13:34

Read file as String

	import org.apache.commons.io.FileUtils;

	...

	File file = new File(this.getClass().getClassLoader()
	.getResource("/relativePath/fileName").toURI());
	String st = FileUtils.readFileToString(file, "UTF-8");


	if resource in same package as present file:

YA2O / WhereAmI

Created June 18, 2013 13:31

In which folder are we?

System.out.println(System.getProperty("user.dir"));

YA2O / Get current method name

Created June 18, 2013 13:28

Get current method's qualified name

String currentName = new Throwable().getStackTrace()[0].toString();