Added copy constructors to "Programming in D"

[Anonymouse]

On Saturday, 8 January 2022 at 02:07:10 UTC, Ali Çehreli wrote:
> 2) The other noteworthy change in the book is my now-different 
> stance on variables: Now I recommend 'const' over 'immutable' 
> for variables.

I'm curious, could you elaborate a bit on this? I skimmed through 
the page on Immutability but I didn't find anything explaining it.