Re:The Vale Programming Language
by moonchild on Friday November 20, 2020 @04:04PM
(#25164919)
Not really. Part of the point of voldemort types is that no information about the type is 'leaked' outside the function. In this case, the trait 'HasGetValue' is leaked and can be used by other code.
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When would you want to have an interface such that nothing about the return type of a function is known to the outside world? I'm genuinely asking; I just don't understand the utility of this concept.
Re:The Vale Programming Language
by mumblemumble on Friday November 20, 2020 @06:32PM
(#25166432)
I don't think anyone's trying to argue about whether it's better or worse than the Rust concept. Just that it's subtly different.
I'm not interested in comparing it to the rust concept. I'm just curious why this is something people find valuable in D, and why another commenter would call it a feature D "would be ruined without"
Re:The Vale Programming Language
by bobthebuilders on Saturday November 21, 2020 @02:20AM
(#25168323)
The commentor is just mistaken. The two do the exact same thing.