Code improvement for DNA reverse complement?

[Ali Çehreli via Digitalmars-d-learn]

On 05/22/2017 03:35 AM, ag0aep6g wrote:

 > But Ali Çehreli covers it in his book on the "immutability" page (I
 > would have expected to find it on the "enum" page):
 >
 > 
http://ddili.org/ders/d.en/const_and_immutable.html#ix_const_and_immutable.enum

Thank you for your feedback. I'm inserting a forward reference from the 
enum chapter.

I would like to acknowledge you in the book hopefully with your real 
name but if you don't want or care, I will use ag0aep6g. :)

Ali