Jiří Zárevúcky wrote:
> tecywiz121 píše v St 20. 01. 2010 v 16:49 -0500:
>> I am just wondering if it is possible to have an array of nullable
>> strings, and if so, what is the proper syntax?
>>
>> Sam
>>
>
> I believe array of class type can always contain nulls. Or am I
> mistaken?
Only without --enable-experimental-non-null.
However, this one fails with --enable-experimental-non-null:
----------------------------------------------------------------------
void main () {
string?[] a = new string?[10];
}
----------------------------------------------------------------------
demo.vala:2.26-2.26: error: syntax error, expected ( or [
string?[] a = new string?[10];
^
Compilation failed: 1 error(s), 0 warning(s)
----------------------------------------------------------------------
And this one as well:
----------------------------------------------------------------------
void main () {
string?[] a = new string[10];
}
----------------------------------------------------------------------
demo.vala:2.12-2.29: error: Assignment: Cannot convert from `string[]'
to `string?[]'
string?[] a = new string[10];
^^^^^^^^^^^^^^^^^^
Compilation failed: 1 error(s), 0 warning(s)
----------------------------------------------------------------------
I think the first case should succeed. The latter case seems to fail
rightly.
Best regards,
Frederik
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