viktorklang

/*
Copyright 2012-2021 Viktor Klang
 
   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

sirmax

import com.twitter.concurrent.{Offer, Broker}
import com.twitter.conversions.time._
import com.twitter.finagle._
import com.twitter.util._


object Reeval {
  /** Given a function `mkVar => Var[A]` and a time interval create another `Var[A]` that:
    *  - initially has a value equal to the value of evaluated `mkVar`
    *  - passes all updates of created var to the observers