std.array oddness

[bearophile via Digitalmars-d-learn]

ketmar:

> no, you are using `.byLine` incorrectly. ;-) `.byLine` reuses 
> it's
> internal buffer for each line, so you have to copy that buffer.

A simple solution is to use byLineCopy (that unfortunately should 
have been the default behavior since the beginning).

Bye,
bearophile