type variables

Bruce Carneal bcarneal at gmail.com
Sun Aug 2 20:27:53 UTC 2020

On Sunday, 2 August 2020 at 18:21:17 UTC, Paul Backus wrote:
> On Sunday, 2 August 2020 at 17:27:43 UTC, Stefan Koch wrote:
>> How is that easier?
>> It requires you to have a stack, which also means that you 
>> have to keep track of the stack frames in order to execute 
>> this   Iin your head.
> To some extent this is a matter of experience and personal 
> taste.
> If you are comfortable reading recursive code, it is quite 
> simple to understand a function with a single base case and a 
> single recursive case. There is no need to keep track of 
> individual stack frames in your head.
> Perhaps my experience in this regard is different from the rest 
> of the D community? I learned about recursion in my first year 
> of undergraduate education, so I assumed this sort of thing 
> would be considered common knowledge among experienced 
> programmers.

I think it's all about readability given the performance 

Your type function example earlier in this thread employs 
iteration and is dead simple.  Not much to improve there.

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