Flow-Design: OOP component programming

[Mark]

On Wednesday, 14 February 2018 at 19:53:31 UTC, H. S. Teoh wrote:
> On Wed, Feb 14, 2018 at 06:43:34PM +0000, Mark via 
> Digitalmars-d wrote:
>> On Wednesday, 14 February 2018 at 09:39:20 UTC, Luís Marques 
>> wrote:
>> > It seems that someone once again rediscovered the benefits 
>> > of component programming, in the context of OOP, but (as 
>> > usual) without the more mathematical and principled approach 
>> > of something like ranges and algorithms:
>> > 
>> > [...]
>> 
>> Luna [1], a new programming language that was recently 
>> mentioned on Reddit, also appears to take this "flow-oriented 
>> design" approach. It's purely functional, not OO, and I'm 
>> curious to see how it evolves.
> [...]
>
> This so-called "flow-oriented design" is hardly a new idea.  It 
> has been around since Lisp and the Unix command-line. And of 
> course, D ranges benefit greatly from it. :-)
>
> T

It's not a new idea but they've added a visual twist to it - you 
can see the program's data flow graph, manipulate it in various 
ways, and see how your input changes as it flows through the 
graph. So that's nice.