Code improvement for DNA reverse complement?

[biocyberman via Digitalmars-d-learn]

On Friday, 19 May 2017 at 07:46:13 UTC, Stefan Koch wrote:
> On Friday, 19 May 2017 at 07:29:44 UTC, biocyberman wrote:
>> I am solving this problem http://rosalind.info/problems/revc/ 
>> as an exercise to learn D. This is my solution:
>>
>> https://dpaste.dzfl.pl/8aa667f962b7
>>
>> Is there some D tricks I can use to make the 
>> `reverseComplement` function more concise and speedy? Any 
>> other comments for improvement of the whole solution are also 
>> much appreciated.
>
> I think doing a switch or even a if-else chain would be faster 
> then using an AA.

Thank you Stefan. I will try that and benchmark the two 
implementations. I used AA approach because it looks more 
readable to me.