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by allengeorge
3464 days ago
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Honestly, I found dealing with generics worse than the borrow checker. Since the compiler wants everything to be sized, code that I think should work (i.e. using generics and traits) will sometimes just not compile. In fact - I'm dead in the water facing an issue like that right now. That is, by far, the most frustrating thing in using Rust. |
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I don't know if it helps you or not, but you can specify that a type parameter need not be sized with the ?Sized bound. e.g., The `Path::new` constructor is defined as `fn new<S: AsRef<OsStr> + ?Sized>(s: &S) -> &Path`. This means `S` can, for example, be `str`, which is an unsized type.