I did a code that uses custom literals to allow indexing arrays with ordinals (1st, 2nd, 3rd), all at compile time. Additionally _st works only with 1, _nd only with 2, _rd only with 3. Zero and negative numbers are also not supported and fail compilation.
https://github.com/serpent7776/bits/blob/master/th.cpp/th.cpp
11 Comments
_sideffect@lemmy.world · 9 pts · 2y
What's the purpose of this? If you want to access an index in an array, isn't using integers easier?
And if you want string literals, you can make a map and access the key that way as well
dankm@lemmy.ca · 15 pts · 2y
Does it matter? OP had an itch. He scratched it, and shared it with the world.
The reason could be "I wonder if I can?". That's good enough.
Serpent7776@programming.dev · 10 pts · 2y
Yeah, that was basically it.
_sideffect@lemmy.world · 1 pts · 2y
"Does it matter?"
That was the point of my question, thanks for reiterating it
4am@lemm.ee · 1 pts · 2y
The point of your question seems to be “never try things a for fun”
Curmudgeonry sucks all the joy out of anything.
_sideffect@lemmy.world · 3 pts · 2y
I never said that, please don't assume that's what I meant before asking.
Serpent7776@programming.dev · 14 pts · 2y
There's no purpose really. It was more of "wonder if I can" and also nice way to learn custom literals.
_sideffect@lemmy.world · 2 pts · 2y
Yeah it's always a good way to learn things.
I only asked because I was genuinely curious if there was something I was missing about why you created this, that's all.
lambalicious@lemmy.sdf.org · 2 pts · 2y
This sounds pretty interesting to do for funsies. I wonder if / how easy can it be extended to support i18n (eg.: "1_ro", "2_do", "3_ro", "4_to" for Spanish).
Also thanks for not supporting negatvie integers. Trying to do that with UDLs over integers leads to rather annoying "funsies", see StackOverflow and glados-418.
Serpent7776@programming.dev · 2 pts · 2y
It should be easy to edit the existing code to add support for i18n, but there's probably no way to make in generic (except for macros).
lambalicious@lemmy.sdf.org · 2 pts · 2y
Sounds like a plan for a funsies long weekend, might send a PR if I advance with it enough.
BaardFigur@lemmy.world · 2 pts · 2y