Return the complete number

[a11e99z]

On Wednesday, 24 July 2019 at 15:56:13 UTC, a11e99z wrote:
> On Wednesday, 24 July 2019 at 15:45:08 UTC, Greatsam4sure wrote:
>> int main(){
>>  double mum = 0;
>>  Write("enter a number: ")
>>  readf(" %s\n",&num);
>>  Writeln(num);
>>
>> }
>>
>> How do I return the complete number the user enter since I 
>> don't since the user can enter numbers of various length with 
>> dmd approximating it.
>>
>> I will appreciate any help
>
>   readf!" %s\n"( num );
> or
>   num.readf!" %s\n";
> or
>   num = readln.strip.to!double;

oops! i misunderstood