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Re: bison 3.0.4 %destructor is c++ mode seems to be called even in the n
From: |
Min Wang |
Subject: |
Re: bison 3.0.4 %destructor is c++ mode seems to be called even in the normal parse |
Date: |
Thu, 18 Aug 2016 15:54:39 -0400 |
HI
@kaz. yes, "using" is a alternative new typedef ( c++11).
min
On Thu, Aug 18, 2016 at 3:37 PM, Kaz Kylheku <address@hidden> wrote:
> On 18.08.2016 12:05, Min Wang wrote:
>
>> HI
>> @kaz. thanks. I will check the %union later
>>
>> I'like to use the smart pointers ( std::unique_ptr) , but somehow I got
>> some compiler errors.
>>
>> here are some details:
>> e.g:
>>
>> using PROG_PTR = std::unique_ptr<PROG>;
>>
>
> "using" is now a full-blown alternative for typedef?
>
> I don't keep up closely with the C++ standard.
>
> The old-fashioned way is:
>
> typedef std::unique_ptr<PROG> PROG_PTR;
>
> The "using" that I remember was purely for bringing long, qualified names
> into the current scope as short names, not for creating alias names for
> types.
>
> using foo::bar::baz; // the unqualified name baz can now be used in this
> scope
>
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