Re: Dictionaries as return values

Thanks! It makes a lot of sense that Dictionaries also can be output
objects and not just input.


On Wed, Aug 21, 2013 at 6:31 AM, Robert O'Callahan <robert@ocallahan.org>wrote:

> On Wed, Aug 21, 2013 at 2:06 AM, Tommy Widenflycht <tommyw@google.com>wrote:
>
>> I have tried to parse the WebIDL spec and can find no evidence that this
>> is allowed by looking at the grammar. The text seems to indicate that it is
>> possible however.
>
>
> The grammar allows the [ReturnType] nonterminal to expand to an
> identifier, which can then denote a dictionary, as the following text says:
> http://www.w3.org/TR/WebIDL/#dfn-return-type
>
>> If the return type is an identifier<http://www.w3.org/TR/WebIDL/#dfn-identifier>or an identifier followed by
>> ?, then the identifier MUST identify an interface, dictionary,
>> enumeration <http://www.w3.org/TR/WebIDL/#dfn-enumeration>, callback
>> function <http://www.w3.org/TR/WebIDL/#dfn-callback-function> or typedef<http://www.w3.org/TR/WebIDL/#dfn-typedef>
>> .
>>
> So this is definitely allowed by WebIDL.
>
> Rob
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