The road to Dart 3: A fully sound, null safe language

[Suliman]

On Sunday, 11 December 2022 at 19:45:09 UTC, JN wrote:
> On Thursday, 8 December 2022 at 18:03:11 UTC, ryuukk_ wrote:
>>[...]
>
> Interesting. Dart is one of my favorite programming languages 
> (except for D of course), and it's my go-to language whenever 
> doing anything related because I can't stomach Javascript and 
> never really tried Typescript much. However the null safety 
> features I found to be an annoyance. Same with other languages, 
> I feel like I am fighting the language and just explicitly 
> declaring types as nullable or forcing dereference wherever 
> possible. Sure, you will not get a null pointer exception, but 
> in case a null happens, parts of your code will just not 
> execute silently. Maybe I am missing something but I was never 
> sold on the null safety angle.
>
> [...]

>  like pairs

Could anybody explain what it is?