Thanks, datavtype way is working, but I will try more to not to use heap,
including latest suggestions
пт, 10 июл. 2020 г. в 06:26, Hongwei Xi <gmh...@gmail.com>:
>
> Here is another possibility:
>
> var raw = (recv_buf, recv_sz)
> var tmp = (recv_buf_pf, view@raw | addr@ raw)
> val _ = array_foreach_funenv( ..., tmp)
> val (recv_buf_pf, raw_pf | _) = tmp
> prval () = view@raw := raw_pf
>
>
> On Fri, Jul 10, 2020 at 2:23 AM Hongwei Xi <gmh...@gmail.com> wrote:
>
>> There are indeed two raw_pf in this case.
>>
>> Try this:
>>
>> val (recv_buf_pf, raw_pf1 | _) = tmp
>> prval () = raw_pf := raw_pf1
>>
>> On Fri, Jul 10, 2020 at 2:16 AM Dambaev Alexander <ice.redm...@gmail.com>
>> wrote:
>>
>>> Hi,
>>>
>>> Thanks for your answers.
>>>
>>> For now, I had tried this:
>>>
>>> vtypedef VT = [l1:agz]
>>> ( array_v(char?, l, recv_sz)
>>> , (ptr l, size_t recv_sz) @ l1
>>> | ptr l1
>>> )
>>> (* ... *)
>>> var raw with raw_pf = (recv_buf, recv_sz)
>>> var tmp = (recv_buf_pf, raw_pf | addr@ raw)
>>> val _ = array_foreach_funenv( ..., tmp)
>>> val (recv_buf_pf, raw_pf | _) = tmp
>>>
>>> But I am getting compile error:
>>> error(3): the linear dynamic variable [raw_pf$4825(-1)] needs to be
>>> preserved but it is consumed instead.
>>> error(3): the linear dynamic variable [raw_pf$4828(-1)] needs to be
>>> consumed but it is preserved with the type [S2Eat(S2Etyrec(flt0; npf=-1;
>>> 0=S2Eapp(S2Ecst(ptr); S2Evar(l(8545))), 1=S2Eapp(S2Ecst(size_t);
>>> S2Evar(recv_sz(8544)))), S2Evar(l1$8709(14460)))] instead.
>>>
>>> so it looks like compiler thinks, that there are 2 different raw_pf
>>> proofs. Is it expected or had I found some bug?
>>>
>>> Now I will try with datavtypes
>>>
>>> пт, 10 июл. 2020 г. в 05:48, <artyom.shalkha...@gmail.com>:
>>>
>>>> Hi Alexander,
>>>>
>>>> I guess you could also pass a reference to a stack allocated variable,
>>>> but that would probably be very difficult to use due to proofs,
>>>> initialization and the fact you’d be using a tuple.
>>>>
>>>> Much easier to use what you’ve already found or what Hongwei describes.
>>>>
>>>> Sent from my iPhone
>>>>
>>>> On 10 Jul 2020, at 04:12, Dambaev Alexander <ice.redm...@gmail.com>
>>>> wrote:
>>>>
>>>>
>>>> For now, I have found the only way to achieve my goal is by using boxed
>>>> tuples/boxed records:
>>>>
>>>> vtypedef VT = (array_v(char?,l,recv_sz) | '( ptr l, size_t recv_sz))
>>>> (*...*)
>>>> var tmp = (recv_buf_pf | '( recv_buf, recv_sz))
>>>>
>>>> I don't know if this a best way though, as I suppose, that boxed tuple
>>>> is heap-allocated and I don't know how to cleanup such tuple without GC
>>>>
>>>> чт, 9 июл. 2020 г. в 23:54, Dambaev Alexander <ice.redm...@gmail.com>:
>>>>
>>>>> And again, I had mistyped one thing in initial email:
>>>>>
>>>>> (* ... *)
>>>>> var tmp = (recv_buf_pf | recv_buf) (* var instead of val in both
>>>>> similar lines *)
>>>>> (* ... *)
>>>>>
>>>>>
>>>>> чт, 9 июл. 2020 г. в 23:47, ice.r...@gmail.com <ice.redm...@gmail.com
>>>>> >:
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> I am trying to understand how to use array_foreach_env function to
>>>>>> pass to fwork environment of more than 1 variables (of viewt@ype).
>>>>>> For example, I can successfully use following:
>>>>>>
>>>>>> vtypedef VT = (array_v(char?, l, recv_sz | ptr l)
>>>>>> fn walker
>>>>>> ( array_v(pollfd_t, fdsl, nfds)
>>>>>> , x : &pollfd_t >> _
>>>>>> , env: !VT
>>>>>> ): void =
>>>>>> (* body goes here *)
>>>>>>
>>>>>> val tmp = (recv_buf_pf | recv_buf)
>>>>>> val () = array_foreach_funenv
>>>>>> <pollfd_t>
>>>>>> {array_v(pollfd_t, fdsl,nfds)}
>>>>>> {VT}
>>>>>> ( fds_pf | fds, nfds, walker, tmp)
>>>>>> val (recv_buf_pf | _) = tmp
>>>>>>
>>>>>> But, as soon as I want to use VT of type
>>>>>> vtypedef VT = (array_v(char?, l, recv_sz) | ptr l, size_t recv_sz)
>>>>>> (* ... *)
>>>>>> val tmp = (recv_buf_pf | recv_buf, recv_sz)
>>>>>> (* .. *)
>>>>>> val (recv_buf_pf | _) = tmp
>>>>>>
>>>>>> I am getting the following error:
>>>>>> error(3): mismatch of sorts:
>>>>>> the needed sort is [S2RTbas(S2RTBASimp(2; viewtype))];
>>>>>> the actual sort is [S2RTbas(S2RTBASimp(3; viewt0ype))].
>>>>>>
>>>>>> How can I fix this error? Thanks in andvance
>>>>>>
>>>>>> --
>>>>>> You received this message because you are subscribed to a topic in
>>>>>> the Google Groups "ats-lang-users" group.
>>>>>> To unsubscribe from this topic, visit
>>>>>> https://groups.google.com/d/topic/ats-lang-users/A60YvQACw4c/unsubscribe
>>>>>> .
>>>>>> To unsubscribe from this group and all its topics, send an email to
>>>>>> ats-lang-users+unsubscr...@googlegroups.com.
>>>>>> To view this discussion on the web visit
>>>>>> https://groups.google.com/d/msgid/ats-lang-users/6826800e-17e0-4554-8470-3a7e304bc71bn%40googlegroups.com
>>>>>> <https://groups.google.com/d/msgid/ats-lang-users/6826800e-17e0-4554-8470-3a7e304bc71bn%40googlegroups.com?utm_medium=email&utm_source=footer>
>>>>>> .
>>>>>>
>>>>> --
>>>> You received this message because you are subscribed to the Google
>>>> Groups "ats-lang-users" group.
>>>> To unsubscribe from this group and stop receiving emails from it, send
>>>> an email to ats-lang-users+unsubscr...@googlegroups.com.
>>>> To view this discussion on the web visit
>>>> https://groups.google.com/d/msgid/ats-lang-users/CAHjn2KzgHoKJMAVypUCv17xYrB%2BFoycUySXYJknvrNVackkGqw%40mail.gmail.com
>>>> <https://groups.google.com/d/msgid/ats-lang-users/CAHjn2KzgHoKJMAVypUCv17xYrB%2BFoycUySXYJknvrNVackkGqw%40mail.gmail.com?utm_medium=email&utm_source=footer>
>>>> .
>>>>
>>>> --
>>>> You received this message because you are subscribed to the Google
>>>> Groups "ats-lang-users" group.
>>>> To unsubscribe from this group and stop receiving emails from it, send
>>>> an email to ats-lang-users+unsubscr...@googlegroups.com.
>>>> To view this discussion on the web visit
>>>> https://groups.google.com/d/msgid/ats-lang-users/9E97682A-394E-4218-B590-EFADE0DA505B%40gmail.com
>>>> <https://groups.google.com/d/msgid/ats-lang-users/9E97682A-394E-4218-B590-EFADE0DA505B%40gmail.com?utm_medium=email&utm_source=footer>
>>>> .
>>>>
>>> --
>>> You received this message because you are subscribed to the Google
>>> Groups "ats-lang-users" group.
>>> To unsubscribe from this group and stop receiving emails from it, send
>>> an email to ats-lang-users+unsubscr...@googlegroups.com.
>>> To view this discussion on the web visit
>>> https://groups.google.com/d/msgid/ats-lang-users/CAHjn2Kxygbn9WykBZzmFeaGbn8W4K0_%2Bxr5gAvyMLRkqFMCDXA%40mail.gmail.com
>>> <https://groups.google.com/d/msgid/ats-lang-users/CAHjn2Kxygbn9WykBZzmFeaGbn8W4K0_%2Bxr5gAvyMLRkqFMCDXA%40mail.gmail.com?utm_medium=email&utm_source=footer>
>>> .
>>>
>> --
> You received this message because you are subscribed to the Google Groups
> "ats-lang-users" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to ats-lang-users+unsubscr...@googlegroups.com.
> To view this discussion on the web visit
> https://groups.google.com/d/msgid/ats-lang-users/CAPPSPLqgDVOsUsH-O10YH6L_bkR4H4rOLSohp_Kk80FpGyuNOQ%40mail.gmail.com
> <https://groups.google.com/d/msgid/ats-lang-users/CAPPSPLqgDVOsUsH-O10YH6L_bkR4H4rOLSohp_Kk80FpGyuNOQ%40mail.gmail.com?utm_medium=email&utm_source=footer>
> .
>
--
You received this message because you are subscribed to the Google Groups
"ats-lang-users" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to ats-lang-users+unsubscr...@googlegroups.com.
To view this discussion on the web visit
https://groups.google.com/d/msgid/ats-lang-users/CAHjn2KyRkQ-hDQQFQZsSd1ocGX1_4Y0f5pMAU%3DzkRpHodr%3Dy3w%40mail.gmail.com.
