How Nested Functions Work, part 1

[Michiel Helvensteijn]

Rainer Deyke wrote:

>> I still find it silly that it was built that way. Seems to me you should
>> be able to forward-reference *any* symbol that has a value that can't
>> change over its lifetime. Functions, const/immutable vars, typedefs,
>> classes, etc.
> 
> That can lead to subtle problems in the case of functions:
> 
> int i = f();
> int f() { return i; }

You're right, I forgot about that. You can conservatively statically forbid
this. But I admit it makes the 'constant data should obviously be
forward-referenceable' thing less convincing. :-)

-- 
Michiel Helvensteijn