[C++-sig] Boost.Python : Return std::string by ref?

[Brian O'Kennedy]

Hi Hans, 

 

Thanks for that, exactly what I wanted! I should have RTFA... :) 

For reference, here is my new binding:

 

class_ < MyOtherClass >("MyOtherClass", "Testing String returned by
const ref")

    .def( "GetName", &MyOtherClass::GetName,
return_value_policy<copy_const_reference>() )

    .def( "SetName", &MyOtherClass::SetName);

 

Thanks, Brian

 

-----Original Message-----
From: c++-sig-bounces+brian.okennedy=omg3d.com at python.org
[mailto:c++-sig-bounces+brian.okennedy=omg3d.com at python.org] On Behalf
Of Hans Meine
Sent: 15 May 2008 10:56
To: Development of Python/C++ integration
Subject: Re: [C++-sig] Boost.Python : Return std::string by ref?

 

Am Donnerstag, 15. Mai 2008 10:07:20 schrieb Brian O'Kennedy:

> Notice that GetName() now returns the string by const reference; this
is

> done in a lot of our c++ code for efficiency sake. To wrap this using

> Boost.Python I do:

> 

> [...]

>       .def( "GetName", &MyOtherClass::GetName,

> return_internal_reference<>() )

 

I'd try copy_const_reference.

 

-- 

Ciao, /  /

     /--/

    /  / ANS

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