[OT] On the Expressive Power of Programming Languages

Petar Petar
Mon Nov 16 16:40:56 UTC 2020

On Monday, 16 November 2020 at 16:37:07 UTC, Steven Schveighoffer 
> On 11/14/20 8:01 PM, Paul Backus wrote:
>> [...]
> I enjoyed the talk and like the principles shown.
> But I think this doesn't really answer the question of which 
> language is more expressive than another, because they are 
> completely separate languages. It's more of a test as to 
> whether a language feature adds expressiveness to an existing 
> language (that is, when language A is equivalent to language B 
> + feature F).
> And the bar is pretty high. I don't know if there are many 
> "expressive" features left to add to D if we go by this 
> definition unless we go AST-macros.
> -Steve

string mixins kind of ruined this distinction for us - even AST 
macros would have a hard time proving that they can't be 
expressed via (mixin(genCode(params))) :D

Anyways, Paul, thanks for sharing the talk, I also enjoyed 
watching it!

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