Nested Functions in C++

[Robert Dewar]

Andrew Haley wrote:

> Indeed.  These are serious risks, and must be carefully weighed when
> considering language extensions.  But you have to balance risks, and I
> believe that the risk of the ISO standardizing a bad language feature
> is far greater if that feature has not been much used.
> 
> Andrew.

One point here is that I think any such experimental features
should never be available by default. It should be necessary
to use some special switch or directive.