Fix template parameter

[Dom Disc]

On Tuesday, 9 August 2022 at 22:32:23 UTC, Dom Disc wrote:
> On Tuesday, 9 August 2022 at 21:16:22 UTC, Paul Backus wrote:
>> Yes, this syntax allows anything that implicitly converts to 
>> `BigInt`;

Oh, or do you mean I will get two different instances of the 
template, if I call it with two different types with implicit 
conversion?
That would make it even worse than the non-templated declaration!