[Yaml-core] null values

[David H. <dav...@bl...>]

Tim Hochberg wrote:
> Oren Ben-Kiki wrote:
>> On Saturday 11 September 2004 04:33, Tim Hochberg wrote:

>>> One issue that just occured to me is how will you treat !null values
>>> (not Null tags). It's a fairly common requirement to accept string or
>>> Null.
[...]
>>     ---
>>     foo:
>>       bar:
>>         label: ~ # null
>>     ---
>>     foo:
>>       bar:
>>         label: ! ~ # string
>>     ---
>>     foo:
>>       bar:
>>         label: text # string
>>     ...
>
> Also unpleasant. Null is what wants to be marked as different, not the 
> string '~'.

How about getting rid of ~, always writing a null node as !!null (assuming
the default prefix for !!), and having its content be the empty string?
Then you would never have to implicitly type nulls.

-- 
David Hopwood <dav...@bl...>