Problems instantiating template class

[Mek101]

On Saturday, 6 April 2019 at 17:44:25 UTC, Nicholas Wilson wrote:
> Hmm,
>
> import std.traits;
> class WeightedRandom(T, W = float) if(isNumeric!W)
>  {
> 	 // Fields
> 	 private W[T] _pairs;
> 	 // The total sum of all the weights;
> 	 private W _probabilities;
>
>          /// Code...
>  }
>
> void main()
> {
>     auto wrnd = new WeightedRandom!char();
> }
>
> works for me: https://run.dlang.io/is/CjSubj

My bad. It seems like an invisible character sent the complier 
crazy. I re-wrote the unittest and now it works...
Weird...