Re: Lua, LuaJIT2 and differences with the length operator

[Tony Finch <dot@...>]

On Tue, 4 Jan 2011, Leo Razoumov wrote:
> On Tue, Jan 4, 2011 at 11:58, Tony Finch <dot@dotat.at> wrote:
> > On Tue, 4 Jan 2011, Leo Razoumov wrote:
> >>
> >> And how exactly I am supposed to do this job? E.g., how can I test
> >> that an array  t coming my way from someone else's library has no
> >> holes?
> >
> > 1: Don't bother. It's the caller's responsibility to obey your API
> > requirements.
>
> Option 1: does not help here. "Donot bother" is another way of saying
> that the language does not help you here and that one needs to rely on
> some other "out-of-band sigalling" mechanisms to achieve desired
> behavior.

Right. This kind of consistency checking is a job for your unit tests and
debugging support code. That way the run-time API implementation can
assume its callers are correct.

Tony.
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