[C++-sig] question on object section of bpl tutorial

[Mark Russell]

Dave,

I am building a short example for this case--hopefully it will be useful in
the tutorial.  I have run into a problem however, I am using msvc 6.5 and
cannot get the following code from the tutorial to compile:

#include <boost/python.hpp>
using namespace boost::python;

void f(str name)
    {
        object n2 = name.attr("upper")();   // NAME = name.upper()
        str NAME = name.upper();            // better
        object msg = "%s is bigger than %s" % make_tuple(NAME,name);
    }

The compiler cannot resolve the str ambiguity--I did some research on this
and I guess my compiler is one of the broken ones that can't do this
automatically :{  I have made several tries at explicitly specifying the
name but no joy--how do I do this?  --Mark

-----Original Message-----
From: c++-sig-admin at python.org [mailto:c++-sig-admin at python.org]On
Behalf Of David Abrahams
Sent: Wednesday, December 11, 2002 5:17 PM
To: c++-sig at python.org
Subject: Re: [C++-sig] question on object section of bpl tutorial


Mark Russell <mrussell8081 at pacbell.net> writes:

> Hi Dave,
>
> A quick question from the basic interface page of the object portion of
the
> bpl tutorial.  On this page you show the following code snippet.  What
types
> are x & y?  --Mark
>
> def f(x, y):
> 	if (y == 'foo'):
> 		x[3:7] = 'bar'
> 	else:
> 		x.items += y(3, x)
> 	return x

What types would you like them to be? This is Python, remember? <wink>

Seriously, though: I realize that it's you're unlikely to find types
in common usage for which that code makes much sense.  Clarifying
patches welcome.

--
                       David Abrahams
   dave at boost-consulting.com * http://www.boost-consulting.com
Boost support, enhancements, training, and commercial distribution


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