sofoklis

~01001~^~Y~^~some text1~^~~^1.38
~01002~^~N~^~some text2~^~~^2.38
~01003~^~Y~^~some text3~^~full test~^3.38
~01004~^~N~^~some text4~^~~^4.38
~01005~^~Y~^~some text5~^~dddd~^5.38
~01006~^~N~^~some text6~^~~^6.38
~01007~^~Y~^~some text7~^~~^7.38
~01008~^~Y~^~some text8~^~~^8.38

sofoklis

lines.foreach(line ⇒ line match {
      case RegEx(id, yesNo, name, optional, amount) ⇒ println(Line(id.toLong,
        booleanFromString(yesNo).get,
        name, optionString(optional), amount.toDouble))
      case _ ⇒ println("Something Wrong!")
})

sofoklis

package org.papasofokli

import scala.util.parsing.combinator.JavaTokenParsers

/**
 *  <b-expression>::= <b-term> [<orop> <b-term>]*
 *  <b-term>      ::= <not-factor> [AND <not-factor>]*
 *  <not-factor>  ::= [NOT] <b-factor>
 *  <b-factor>    ::= <b-literal> | <b-variable> | (<b-expression>)
 */

sofoklis

private lazy val b_not_factor: Parser[Boolean] = opt("not") ~ b_factor ^^ (x ⇒ x match { case Some(v) ~ f ⇒ !f; case None ~ f ⇒ f })

sofoklis

opt("not") ~ b_factor

sofoklis

(x ⇒ x match { case Some(v) ~ f ⇒ !f; case None ~ f ⇒ f })

sofoklis

package org.example
import scala.concurrent.{ Future, Promise, future, promise }
import scala.concurrent.ExecutionContext.Implicits.global

class FuturesAndPromises

object FuturesAndPromises {

  def main(args: Array[String]) {
    futureSample

sofoklis

class NonVariantType[T]
{
  // some functions and fields 
}

sofoklis

val string: Any = "sofoklis" // String is a proper subtype of any

val nonVariantType1: NonVariantType[String] = new NonVariantType[String] // Allowed
val nonVariantType2: NonVariantType[Any] = new NonVariantType[String] // Compile error
val nonVariantType3: NonVariantType[String] = new NonVariantType[Any] // Compile error

sofoklis

class CovariantType[+T] {
  // some functions and fields 
}