Cumulative

[Shammah Chancellor]

On 2014-02-25 10:23:31 +0000, Steve Teale said:

> On Tuesday, 25 February 2014 at 03:13:23 UTC, Shammah Chancellor wrote:
>> So far as I'm understanding this thread,  Steve Teale is asking for a 
>> way to inject code before and after a call to a function from other 
>> places in the program.   E.g. Write some function foo, write some 
>> function bar, and specify that any time foo is called, bar should be 
>> called immediately after *automagically*.
>> 
>> The reason this hasn't been done in any language I'm aware of is 
>> because you can solve the same problem using existing polymorphism, and 
>> it's a horribly awful design practice to have hidden code like that.
>> 
>> 
> It's a bit more specific than 'from other places in the program', and 
> anyway, once you've accepted virtual functions, you've accepted 
> 'automagic' ;=)
> 
> I'm writing a little example program that illustrates what I'm getting 
> at, and I'll post it somewhere when I'm through.
> 
> Steve

If I was understanding properly, you were suggesting that the code 
should be executed even for instances of the base class.    There's 
some automagic that's good, that sounds like a vile thing to have to 
debug when you take over for somebody else.

-S.