bigint and pow

[Fausto]

On Sunday, 2 October 2022 at 02:02:37 UTC, rassoc wrote:
> On 10/2/22 00:04, Fausto via Digitalmars-d-learn wrote:
>> Hello,
>> 
>> I am trying to use pow with an integer argument, but I cannot 
>> have a bigint result, for example, ```pow(10,72)```.
>> Do I have to write my pow function or is there a native 
>> solution?
>> 
>> thanks,
>> Fausto
>> 
>
> In contrast to certain scripting languages, there's no implicit 
> promotion, you have to opt in for BigInt [1] usage in D:
>
> ```d
> import std;
> void main()
> {
>     // all print the same
>     writeln(BigInt(10) ^^ 72);
>     writeln(10.BigInt ^^ 72);
>     writeln("10".BigInt ^^ 72);
> }
> ```
>
> [1] https://dlang.org/phobos/std_bigint.html#.BigInt

Thanks a lot. I am to used to C and, more important, I didn't 
think to look for also another operator for the power function :)