Re: How to make code accepting differet types work?

"Jim Langston" <>
Wed, 12 Jul 2006 05:57:04 -0700
"Ian Collins" <> wrote in message

Jim Langston wrote:

This is something I've been thinking about creating, and am trying to get
the pieces together.

I want to be able to assign values in a method accepting different types.

MyInstance.MyMethod("IntField") = 1;
MyInstance.MyMethod("FloatField") = 2.34f;
MyInstance.MyMethod("StringField") = std::string("Hello");

Is this possible?

Assign to what?

Could you use a map and have something like MyInstance["IntField"] = 1?

MyInstance will, in fact, have a map, but the values will be std::string.
If I was using method overloading it would be something like (untested

void MyInstance::MyMethod( std::string key, int value )
   std::map<std::string, std::string>::iterator it = MyMap.find(key);
   if ( it != MyMap.end() )
      it.second = jml::StrmConvert( value );

StrmConvert is a template that uses stringstream to convert between types,
in this case to a std::string.

Yes, I know I can actually use this, but I would prefer to use operator= as
it just seems more natural to me.

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