Storing "auto" types in classes
BCS
none at anon.com
Fri Jul 2 17:35:49 PDT 2010
Hello Jonathan,
> On Friday, July 02, 2010 09:46:37 Rob Adelberg wrote:
>
>> I'm sure this has come up before, but I want to store something like
>> an std.array appender in a class. All of the examples use auto for
>> the type but you can't put that in a class definition, so what do you
>> put?
>>
>> Example:
>> class packet{...}
>> class A {
>>
>> packet [] packetlist;
>> appender!(packet) packappender; // wrong format
>> this () {
>> packetlist = new packet[0];
>> packappender = appender(&packetlist);
>> }
>> }
>>
>> What's the format to store the appender in the class?
>>
> In this case, the type would be Appender!(packet[]). However, if you
> ever want to know the exact type of something, one way to do it is
> something like this:
>
> writeln(typeid(appender(&packelist)));
>
> It will print out the type of the expression for you.
>
or you can get it at compile time:
pragma(msg, typeof(exp).stringof);
> - Jonathan M Davis
>
--
... <IXOYE><
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