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Date: Mon, 19 Nov 2012 10:23:13 -0800 (PST)
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Subject: Re: Access type to member procedure of instance (Object Oriented
 programming in Ada)
From: Adam Beneschan <adam@irvine.com>
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Date: 2012-11-19T10:23:13-08:00
List-Id: <comp.lang.ada>

On Monday, November 19, 2012 9:02:29 AM UTC-8, Peter C. Chapin wrote:
> On 11/19/2012 11:18 AM, Adam Beneschan wrote:
>=20
>=20
> FWIW C++ does have a "pointer to member" feature. It looks like this
>=20
> class Example {
>=20
> public:
>=20
>    void f( int );
>=20
> };
>=20
> // Declare p to be "pointer to member function of Example...
> // Initialize p to point at Example::f.
> void (Example::*p)( int ) =3D &Example::f;
>=20
> Example object;  // Create an object.
> object.*p(42);   // Invoke member f indirectly on 'object'

This doesn't look at all like what I'm talking about, since &Example::f sti=
ll refers to a method defined for the class Example but without reference t=
o a particular object.  Something equivalent would be if you could say &obj=
ect.f (or maybe &object.*p) and store the result of that in a pointer that =
could be called later.

                             -- Adam