Re: Template member function

From:
Paolo Veglia <pveglia@gmail.com>
Newsgroups:
comp.lang.c++
Date:
Thu, 19 Jul 2007 14:49:38 +0200
Message-ID:
<f7nml5$8j3$1@aioe.org>
Robert Bauck Hamar wrote:

 pveglia@gmail.com wrote:

Hi everyone,
i've got a problem with a template function member of a non-template
class. My code is the following:

class PropMap
{
private:
std::map<std::string, void*> properties;


std::map not declared
std::string not declared

You forgot to #include <map> and <string>

public:
                        template<typename T>
T getProperty(std::string key)
{
return reinterpret_cast<T>(properties[key]);
}


template <typename T>

T setProperty(std::string key, T value)
{
return reinterpret_cast<T>(properties[key] = value);
}
};

when i try to call the "getProperty" method:

int* i = getProperty<int*>("pos");


PropMap pm;
int *i = pm.getProperty<int*>("pos");

compiles on my g++. You should post a minimal, but complete program that
shows the error.

I get the error: "expected primary function". I think gcc doesn't know
that getProperty() is a template by I don't know why.


It isn't. PropMap::getProperty is.


Thank you for your reply!

I wrote a little esample using that class and it works, but I still
can't compile my program. Unfortunately I'm not able to reproduce the
error with an example.

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