new since ActionScript 3.0 lecture notes
brendan at mozilla.org
Wed Feb 13 16:13:09 PST 2008
On Feb 13, 2008, at 3:57 PM, Peter Hall wrote:
>> From the discussions that I can recall, I thought it was to permit
> more complex type combinations, adding intersection types using "&".
> (which is why I like the change).
That was one meaning of "future-proof", yeah. Another was to avoid
overloading poor old comma, which might want to be used for something
> On Feb 13, 2008 11:48 PM, Brendan Eich <brendan at mozilla.org> wrote:
>> On Feb 13, 2008, at 3:46 PM, Peter Hall wrote:
>>>> - Union types are spelled (x|y|z) now, not (x,y,z).
>>>> Popularity contest, the pipe character won.
>>> Didn't notice that change! (and I like it :))
>> Popularity, but deeper reasons include (a) more future-proof; (b)
>> precedent from other PLs.
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