Re: need help: some features of Lua don't fit well together

[Konstantin Osipov <kostja@...>]

* Javier Guerra Giraldez <javier@guerrag.com> [15/04/14 19:16]:
> > Since there is no easy way to distinguish between a Lua map and an
> > array, we have to traverse each argument of conversion, and check that
> > its keys are numeric. If all keys are numeric, keys start with 1,
> > and there are no gaps in keys, it's a list. Otherwise, it's a map and
> > it must be treated the same way as a scalar - become a list field.
> 
> in your data model, what is the definition of "map"?  the full
> featureset of Lua tables?  if so, i think you would have to consider
> arrays as a subset of maps.
> 
> if, OTOH, your maps have some more specific definition, you could take
> advantage of it.  for example, JSON objects allow only strings as keys
> so simply testing (value[1] ~= nil) is enough to discriminate between
> them

Hello Javier,

This is something that can work indeed!

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