Re: [protobuf] How to avoid error C2662 on nested messages
Thanks a lot Chris!
Daniele.
Il giorno martedì 14 maggio 2013 00:49:50 UTC+2, Christopher Head ha
scritto:
>
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA256
>
> Use the mutable_header() function instead. This creates the contained
> object if it does not already exist, and returns a pointer instead of a
> reference.
>
> Chris
>
> On Mon, 13 May 2013 02:34:49 -0700 (PDT)
> Barzo > wrote:
>
> > Hi,
> > I have messages defined as:
> >
> > message MsgHeader
> > {
> > required EMessages opCode= 1;
> > required int32 sessionRef= 2;
> > optional int32 transactionId = 3 [default = 0];
> > optional int32 status= 4 [default = 0];
> > }
> >
> > message MSG_EVENT_METHOD_STATUS
> > {
> > optional EMessagesopCode = 1 [default =
> > E_MSG_EVENT_METHOD_STATUS];
> > required EMessagesopCodeSent = 2;
> > required MsgHeaderheader = 3;
> > }
> >
> > In my code, when I wanna set the header params, I get the compiler
> > error C2662 because the header() method is const.
> > So I cannot do something like:
> >
> > MSG_EVENT_METHOD_STATUS msg;
> > msg.header().set_status(0);
> >
> > Is there a way to avoid this or I have to make a const_cast on the
> > header()?
> >
> > BR,
> > Daniele.
> >
>
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Re: [protobuf] How to avoid error C2662 on nested messages
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256
Use the mutable_header() function instead. This creates the contained
object if it does not already exist, and returns a pointer instead of a
reference.
Chris
On Mon, 13 May 2013 02:34:49 -0700 (PDT)
Barzo wrote:
> Hi,
> I have messages defined as:
>
> message MsgHeader
> {
> required EMessages opCode= 1;
> required int32 sessionRef= 2;
> optional int32 transactionId = 3 [default = 0];
> optional int32 status= 4 [default = 0];
> }
>
> message MSG_EVENT_METHOD_STATUS
> {
> optional EMessagesopCode = 1 [default =
> E_MSG_EVENT_METHOD_STATUS];
> required EMessagesopCodeSent = 2;
> required MsgHeaderheader = 3;
> }
>
> In my code, when I wanna set the header params, I get the compiler
> error C2662 because the header() method is const.
> So I cannot do something like:
>
> MSG_EVENT_METHOD_STATUS msg;
> msg.header().set_status(0);
>
> Is there a way to avoid this or I have to make a const_cast on the
> header()?
>
> BR,
> Daniele.
>
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Version: GnuPG v2.0.19 (GNU/Linux)
iF4EAREIAAYFAlGRbhEACgkQMcVpqLZH/3xiVgD+Pzl+ZIwViRBGC2Czv/+y8Q+s
yjE1BncDwQI7RyJNOfMA+gP9O1FCTa9HIcKu4GM50o615D4h+NCzpkv+Koo/HTVj
=/e9k
-END PGP SIGNATURE-
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