Editions Ideas

[Richard (Rikki) Andrew Cattermole]

On 05/01/2026 11:20 PM, Atila Neves wrote:
> On Monday, 15 December 2025 at 04:20:21 UTC, Mike Shah wrote:
>> On Sunday, 14 December 2025 at 20:16:34 UTC, Walter Bright wrote:
>>> On 12/14/2025 3:55 AM, jmh530 wrote:
>>>> Lifetimes are as it relates to DIP1000, but the ownership system is 
>>>> probably as important for Rust’s popularity. You tried @live for 
>>>> ownership and I think that’s got much more pushback than DIP1000.
>>>
>>> I deliberately designed the @live feature to not require any 
>>> annotations. And it worked!
>>>
>>> It's still a prototype, though, because nobody wanted it and so 
>>> development came to an end with it.
>>
>> @live is an underrated feature, I'm a fan and it's something that I 
>> occasionally use for its simplicity. Sometimes I toss @live, @safe, 
>> etc. on functions to see that state of my code to see if the compiler 
>> can help me refactor library code.
> 
> I don't think anyone should be using features like `@live` themselves 
> and instead the language should provide the features that allow one to 
> write library solutions like smart pointers.

@live goes on user functions, it has nothing to do with smart pointers 
or library code.