Concatenates int

[sigod via Digitalmars-d-learn]

On Thursday, 10 July 2014 at 17:30:17 UTC, Sean Campbell wrote:
> if I need to Concatenate ints I'l just use a recursive pow 
> based on length
>
> int ConcatInt(int[] anint){
> 	int total = 0;
> 	for(int i=0;i<anint.length;i++){
> 		total += anint[i]*10^^(anint.length-i-1);
> 	}
> 	return total;
> }

With `foreach_reverse` it looks a little better:

```d
int concat_ints(int[] ints)
{
	int result;

	foreach_reverse (i, int_; ints) {
		result += int_ * 10 ^^ (ints.length - i - 1);
	}

	return result;
}
```