How to add class in DIET template

[Martin Tschierschke via Digitalmars-d-learn]

On Friday, 23 June 2017 at 06:59:22 UTC, Suliman wrote:
> I need to get external variable and make class by it's value
>
> - string mystr = "lng-" ~ language;
> - foreach(i, line; arrayOfLines )
> 	li
> 		code.mystr #{line}
>
> I need to get HTML code like this:
>
> <li>
> <code class="lng-d">some D code</code>
> </li>
>
> But class name become "mystr" and I am getting:
>
> <li>
> <code class="mystr">some D code</code>
> </li>
>
> How to fix it?
You can use the html syntax for the class parameter, the 
funny/nice thing is, that mystr can be used directly without 
"#{}" around.

code(class=mystr) #{line}

works.