optional process

Taylor Hillegeist taylorh140 at gmail.com
Fri Dec 6 05:16:09 UTC 2019

On Friday, 6 December 2019 at 05:09:58 UTC, Paul Backus wrote:
> On Thursday, 5 December 2019 at 17:27:45 UTC, Taylor Hillegeist 
> wrote:
>> I agree with this.
>> I wasn't clear enough in my question though.
>> I was trying to distinguish between std.functional.compose and 
>> std.functional.pipe
>> they look very the same. Pipe says it reverses functions 
>> order. Which makes no sense to me.
> input.pipe!(f, g, h) == input.f.g.h == h(g(f(input)))
> input.compose!(f, g, h) == input.h.g.f == f(g(h(input)))

This is surprisingly clear. I guess I never thought to put 
multiple functions into pipe that way. It also makes sense why 
pipe would be the default choice.

Thank you, Paul, for the great answer.

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