Re: erlang:cancel_timer/1

Hi, 
Try to forget f(TRef) between 3> and 4>? 

Or use a pinning operator. 
Joke. 

Envoyé depuis mon mobile 

---- Frank Muller a écrit ----

>On both MacOS (any) and Linux (Ubuntu 20.04 LTS):
>
>Why this works?
>
>Erlang/OTP 22 [erts-10.7.2.5] [source] [64-bit] [smp:12:12] [ds:12:12:10]
>[async-threads:1]
>Eshell V10.7.2.5  (abort with ^G)
>1> self().
><0.89.0>
>
>2> TRef = erlang:send_after(9000, self(), die).
>#Ref<0.2349067310.4021813252.2981>
>
>3> erlang:cancel_timer(TRef).
>7288           <--------------- expected/correct
>
>4> self().
><0.89.0>
>
>
>But this doesn’t:
>
>Erlang/OTP 22 [erts-10.7.2.5] [source] [64-bit] [smp:12:12] [ds:12:12:10]
>[async-threads:1]
>Eshell V10.7.2.5  (abort with ^G)
>1> self().
><0.89.0>
>
>2> TRef = erlang:send_after(9000, self(), die).
>#Ref<0.2349067310.4021813252.2981>
>
>3> erlang:put(die_tref, TRef).
>undefined
>
>4> TRef = erlang:get(die_tref).
>#Ref<0.2349067310.4021813252.2981>
>
>5> erlang:cancel_timer(TRef).
>false          <------------------ hmmm
>
>6> self().
><0.89.0>
>
>
>Am I missing something? Maybe I need some rest.
>
>/Frank