ktoso

import pl.project13.test.lambda.exampleimpl.Adder;
import pl.project13.test.lambda.spec.set.ClassSpecSet;

import static org.fest.assertions.Assertions.assertThat;
import static pl.project13.test.lambda.SpecDSL.describe;

public class ClassSpecTest {

  // this `SpecSet` provides a new instance of the tested class for each `should`
  ClassSpecSet<Adder> it = describe(Adder.class);

ktoso

java.lang.StackOverflowError
  at scala.tools.nsc.symtab.Types$SingletonType.baseClasses(Types.scala:1040)
	at scala.tools.nsc.symtab.Types$Type.findMember(Types.scala:885)
	at scala.tools.nsc.symtab.Types$Type.member(Types.scala:502)
	at scala.tools.nsc.typechecker.Typers$Typer.typedIdent$1(Typers.scala:3720)
	at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.scala:4176)
	at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:4271)
	at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$typedApply$1$1.apply(Typers.scala:3353)
	at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$typedApply$1$1.apply(Typers.scala:3353)
	at scala.tools.nsc.typechecker.Typers$Typer.silent(Typers.scala:624)

ktoso

package tv.yap.common.util

import scala.collection.mutable

/**
 * Enables you to create unique collections of any type, such as Lists, Maps etc,
 * by simply proving a "key" predicate, so you can filter arbitrary complex objects for your
 * own definition of uniqueness.
 */
trait UniquifyVerb {

ktoso

import scalaz._


val failOrBusiness: Validation[Error, Business] = for {
  business <- doBusiness()
  _        <- validateBusiness(business) // we can inspect the business here, it's like "case Right(business) =>"
} yield business


// instead of Either, use monadic Validation

ktoso

import language.experimental.macros // enable the macros language feature

import reflect.macros._

object Alias {
  def aliasFor[P1, P2, T](delegate: (P1, P2) => T): T = macro alias_impl[T]

  // ...
}

ktoso

ktoso@moon /Users/ktoso 
$ scalac vals_by_types.scala
warning: there were 2 deprecation warnings; re-run with -deprecation for details
one warning found

ktoso@moon /Users/ktoso 
$ scala Main

The combined names are: UserFinder and UserStatusReader

ktoso

package pl.project13.scala.workshop.rogue.model

import net.liftweb.mongodb.record.{MongoMetaRecord, MongoRecord}
import net.liftweb.mongodb.record.field.{MongoListField, IntPk}
import net.liftweb.record.field._
import pl.project13.scala.workshop.mongo.MongoConfig.MainMongoIdentifier

class Person extends MongoRecord[Person] with IntPk[Person] {
  override val meta = Person

ktoso

package pl.project13.scala.unsigned

import com.google.common.primitives.UnsignedInteger
import org.scalatest.FlatSpec
import org.scalatest.matchers.ShouldMatchers
import java.math.BigInteger

class UnsignedInt(val intValue: Int) extends AnyVal {

  import UnsignedInteger._

ktoso

class Meter(val n: Int) extends AnyVal
  
def traveled(m: Meter) = 
  s"You traveled ${m.n} meters!"
  
val meters = new Meter(34)
traveled(meters) should equal ("You traveled 20 meters!")

ktoso

Person where(_.age > 18) foreach { p => /*...*/ }