octonato

/*
Based on @milessabin's https://gist.github.com/milessabin/89c9b47a91017973a35f
Note the swap: T for Tag and U for Untagged type
*/
  
type Tag[U, T] = { 
  type Tag = T 
  type Untagged = U
}

octonato

/*
 * Copyright (c) 2015 Miles Sabin
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software

octonato

// some experiments for a 'if' replacement for situations where the 
// 'else' branche is generified to None or Failure

import scala.util._
import scala.concurrent.Future

class When(cond: => Boolean) {

  def apply[T](value: => T): Option[T] = WhenOption.when(cond)(value)
  def some[T](value:  => T): Option[T] = WhenOption.when(cond)(value)

octonato

/*
 Conditional function application.

 !!!NOTE!!!
 This not equivalent to PartialFunction as it applies a Function from T => T. The intention is to update T, not to transform.
 Thus not to be used as replacement of PartialFunction.
 
 Useful when we need to apply different conditional updates and 
 track if the value was changed or not at the end.
*/

octonato

function jvm.env {

    echo "------------------ JVM ENVIRONMENT ------------------"
    echo "Sbt options:        $SBT_OPTS"
    echo "Sbt debug options:  $SBT_DEBUG_OPTS" 
    echo "Java options:       $JAVA_OPTS"
    echo "Java Home:          $JAVA_HOME"
    echo "Java Version:       "; java -version
    echo "-----------------------------------------------------"
    echo 

octonato

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• I am octonato on github.
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To claim this, I am signing this object:

octonato

package akka.persistence.typed.scaladsl

import akka.actor.typed.Behavior
import akka.persistence.typed.scaladsl.PersistentBehaviors.{CommandHandler, _}

class AccountSpec {

  sealed trait AccountCommand
  case object CreateAccount extends AccountCommand
  case class Deposit(amount: Double) extends AccountCommand

octonato

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