BetterC, int to string?

[Steven Schveighoffer]

On 6/18/21 9:46 AM, Steven Schveighoffer wrote:
> On 6/18/21 5:05 AM, Mike Brown wrote:
>> Hi all,
>>
>> I would like to convert a D string to an int - im doing this in a 
>> compile time function as well. conv throws an error due to it using 
>> TypeInfo?
>>
>> How would I do this?
> 
> std.conv.to really should support it, that seems like a bug.
> 
> But just FYI, doing string-to-int conversions is pretty easy (this 
> doesn't handle overflow, but you can use core.checkedint to deal with it 
> if necessary):
> 
> ```d
> int parseInt(string s) nothrow @safe @nogc
> {
>     bool isNeg = false;
>     assert(s.length > 0);
>     if(s[0] == '-') {isNeg = true; s = s[1 .. $];}
>     int result = 0;
>     foreach(c; s) {
>        assert(c >= '0' && c <= '9');
>        result = result * 10 + (c - '0');
>     }

return isNeg ? -result : result;

> }
> ```