File-like option where the "file contents" comes from a string?

[Andy Valencia]

On Wednesday, 27 November 2024 at 20:38:22 UTC, monkyyy wrote:
> On Wednesday, 27 November 2024 at 14:37:03 UTC, Andy Valencia 
> wrote:
>> With my OO programming goggles on, I can't help but notice 
>> that if Phobos had made File a class--or an interface--
>
> oo doesn't own polymorphism you could do 99% of the value with
>
> ```d
> struct dummyfile{
>   auto byLineCopy()=>//string.spiltter('\n')....
> }
>
> auto myfunc(F)(F file){
>   foreach(s;file.byLineCopy){
>     ...
>   }
> }

Yes, the page pointed to by Ali Çehreli up above shows this, thus 
my comment about how OO techniques avoid the "big hammer" of 
macro expansion (well, template expansion...).

Andy