[SUGGESTION] Named (and order independant) optional parameters

[ILoveGoulash]

Hello,

I should have nothing to say about the desirability of said feature, anyone who has ever felt the need for more than one optional parameter in C++ or used a language with them (Common Lisp, Julia, Python, Ruby, etc...) knows how it can clean up APIs and increase readability of call sites.
A quick web search shows the heavily boilerplate filled nature (and order restriction for the C++20 method) of the usual workarounds:
https://rosettacode.org/wiki/Named_parameters#C++
https://www.fluentcpp.com/2018/12/14/named-arguments-cpp/
https://pdimov.github.io/blog/2020/09/07/named-parameters-in-c20/

This "suggestion" isn't as much a suggestion as a "was it ever discussed and rejected for some reason (e.g. ABI problems, C++20 workaround considered decent enough, no agreement on syntax, etc...)?" because I didn't manage to find anything in the closed/open issues.

[jcanizales]

Coincidentally it was mentioned recently as an aside of another issue: #193 (comment) (at the end of that comment).

[filipsajdak]

I was sure that I had seen that somewhere. Thank you for finding it!

[ILoveGoulash]

I see, no wonder I didn't find it.

[hsutter]

@ILoveGoulash Thanks for the ping. Named arguments are a possible future direction as mentioned in the #193 (comment) link above, search for "designated initializers" (sorry that the comment it requires search, it got to be a long essay-length comment).

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