Re: Safely flush old value out of an atom

2013-09-20 Thread Meikel Brandmeyer (kotarak)
Hi, don't bother. That's perfectly ok, and no, there is no library function for that. I know quite a number of developers having implemented exactly this function (myself included). Kind regards Meikel -- -- You received this message because you are subscribed to the Google Groups "Clojure"

Re: Safely flush old value out of an atom

2013-09-19 Thread Mikera
Sounds to me like you should use an agent for this. Don't worry about the overhead prematurely, it's actually pretty minimal. Just make sure you choose between "send" and "send-off" appropriately (i.e. does your further processing block or not?) On Friday, 20 September 2013 00:20:11 UTC+8, Ada

Re: Safely flush old value out of an atom

2013-09-19 Thread Adam Clements
It's possible with a ref, but I don't need to coordinate multiple bits of state so a ref feels like overkill, and it makes adding to the list far more cumbersome as it needs to be inside a dosync, and I essentially end up writing atom-like functions to make that easier... by which point I may as we

Re: Safely flush old value out of an atom

2013-09-19 Thread Ben Wolfson
Is there some reason you can't use a ref for this? On Thu, Sep 19, 2013 at 9:20 AM, Adam Clements wrote: > Hi, > > I have been working on a setup where I batch a number of updates in a > queue, which I store in an atom with multiple threads potentially adding > things to it. Periodically I want