question on dub and postgresql

[Alaindevos]

On Monday, 5 October 2020 at 13:30:22 UTC, Alaindevos wrote:
> On Monday, 5 October 2020 at 11:35:43 UTC, Imperatorn wrote:
>> On Monday, 5 October 2020 at 08:47:45 UTC, Alaindevos wrote:
>>> On Monday, 5 October 2020 at 08:34:37 UTC, Imperatorn wrote:
>>>> On Monday, 5 October 2020 at 08:24:26 UTC, Alaindevos wrote:
>>>>> [...]
>>>>
>>>> Take a look at:
>>>> https://code.dlang.org/packages/dpq2
>>>> https://code.dlang.org/packages/ddbc
>>>
>>> Say I want to use dpq2.
>>> Do I need to clone the git repository with "git clone ?"
>>
>> No, you just dub add dpq2
>
> With dub.json:
> "dependencies": {
> 		"dpq2": "~>1.0.17"
> 	},
> It worked.
> Something I ask myself is how do I pass a connection from one 
> function to another.
> ...
> string url=format("hostaddr='127.0.0.1' port='5432' dbname='%s' 
> user='%s' password='%s'",db,user,pass);
>  writeln(url);
> Connection conn = new Connection(url);
> auto answer = conn.exec("SELECT version()");
> writeln(answer[0][0].as!PGtext);
> ...
> myfunction(conn)
>
> void myfunction( .... conn)
> What is the type I should use for passing conn ?

Maybe just Connection ?