Reading IDX Files in D, an introduction to compile time programming

[data pulverizer via Digitalmars-d-announce]

I have written an article targeted at people new to D on 
compile-time programming: 
https://www.active-analytics.com/blog/reading-idx-files-in-d/ and 
tweeted it here: 
https://twitter.com/chibisi/status/1296824381088440320?s=20

Comments welcome.
Thanks in advance.