Wed Oct 17 - Avoiding Code Smells by Walter Bright

[ShadoLight]

On Friday, 2 November 2018 at 00:53:52 UTC, H. S. Teoh wrote:
>
> And along that line, recent wisdom is that it's better to move 
> things *out* of classes (and structs) if they don't need access 
> to private members. (Sorry, I wanted to include a link for 
> this, but I couldn't find the article -- the title eludes me 
> and google isn't turning up anything useful.)  Class and struct 
> APIs should be as minimal as possible -- just enough to do what 
> needs to be done and no more, and the rest of the syntactic 
> sugar (that makes it more palatable to your users) belongs 
> outside as optional convenience functions.
>

Maybe you are thinking of the "Prefer non-member non-friend 
functions to member functions" rule from Herb Sutter's "Effective 
C++" books?