Convert struct to set of fields and pass it's to constructor

Suliman via Digitalmars-d-learn digitalmars-d-learn at puremagic.com
Wed Feb 1 06:03:13 PST 2017


On Wednesday, 1 February 2017 at 13:51:28 UTC, Minty Fresh wrote:
> On Wednesday, 1 February 2017 at 13:37:27 UTC, Suliman wrote:
>> Class constructor accept only set if fields like
>> this(string login, string pass)
>>
>> Can I create structure, fill it, and than pass to constructor?
>>
>> Like this:
>> ```
>> import std.stdio;
>>
>> struct ConnectSettings
>> {
>> 	string login;
>> 	string pass;
>> };
>> ConnectSettings cs;
>>
>> void main()
>> {
>>  cs.login = "admin";
>>  cs.pass = "mypass";
>> }
>> ```
>>
>> and than pass to constructor it's like:
>>
>> `... new SomeClass(cs)`
>>
>>
>> I tried, but get error, that ctor accept only fields list. Can 
>> I unroll struct to it?
>
> tupleof is probably what you're looking for.
> ie.
>
>   new SomeClass(cs.tupleof);
>
> That said, why not have the constructor accept the struct as a 
> parameter?

Because it's implemented not by me, and I do not want to touch 
its realization.


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