Re: [Laszlo-dev] There is a "Vector" type in as3

[André Bargull]

There is an old ES4 proposal for typed vectors, but it wasn't updated 
since almost three years. Also see LPP-6709.

On 2010-06-01, at 00:15, Henry Minsky wrote:
>/  In the new flash text layout package, some of the API's text engine classes
/>/  require Vector arguments. Our compiler
/>/  doesn't understand this syntax, I assume.  I think I can deal with this in
/>/  the kernel using  #passthrough blocks where I need
/>/  to construct or access Vectors. Is this likely to become standard
/>/  javascript? Should we be supporting the
/>/  syntax in our script compiler? Seems a little bit of a stretch...
/
The only ECMA work on typed arrays that I am aware of is focusing on 
byte-arrays:

   http://wiki.ecmascript.org/doku.php?id=strawman:typed_arrays

not on arrays of arbitrary type.  So, I don't think we should be trying to 
invent an extension here if we can avoid it.  (I think that most runtimes 
create typed arrays for you, under the covers, as an optimization.  We know for 
instance, that even as2 watched the keys of array and used a different 
implementation if all the keys were integers in a small range [we know this 
because there were bugs in their implementation at first].)