[fpc-devel] Re: [fpc-l] type discussion

Daniël Mantione daniel at deadlock.et.tudelft.nl
Sun Jun 5 14:15:06 CEST 2005

Op Sun, 5 Jun 2005, schreef Jamie McCracken:

> yes but isn't it fair to say that such developers that require such
> structures would be knowledgable enough to make it safe by using weak refs?

What is a weak ref?

> My point is that the everyday structures that most developers (and in
> particular the more naive and less knowledgable ones) will use are not
> vulnerable to cycles and its only the more obscure and specialised use
> cases that will need to use weak refs. In those cases like building a
> compiler is it reasonable to assume that they will be smart enough to
> handle cycles with weak refs?

I don't know, anyway, structures like trees, graphs, stacks, ringbuffers,
linked lists etc. etc. are the basis of programming. A language that makes
using them hard or impossible becomes a toy language.

Hmmm... Is a double linked list a cycle? I think yes.


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