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Recent questions tagged rust

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rust - What is the prelude?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 697 views

rust - How do I get an enum as a string?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 600 views

rust - What are examples of types that implement only one of Send and Sync?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 807 views

rust - How to print structs and arrays?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 736 views

rust - How do I sum a vector using fold?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 739 views

rust - How can I read a single line from stdin?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 1.4k views

rust - How to convert the PathBuf to String

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 670 views

rust - What are Some and None?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 714 views

rust - Using map with Vectors

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 580 views

rust - What is typestate?

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 755 views

rust - How can I statically register structures at compile time?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 743 views

rust - Compiler asking for lifetime in struct when lifetime is given

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 986 views

rust - What is the proper way to use the `cfg!` macro to choose between multiple implementations?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 693 views

rust - Can't implement a trait I don't own for all types that implement a trait I do own

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 1.0k views

rust - How to conditionally deserialize JSON to two different variants of an enum?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 1.1k views

rust - Why do I get "conflicting implementations of trait" for f32 which does not implement Ord?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 777 views

rust - Borrow data out of a mutex "borrowed value does not live long enough"

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 654 views

rust - What does it mean that Box is covariant if Box<dyn B> is not a subtype of Box<dyn A> where B: A?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 979 views

rust - How to get the byte offset between `&str`

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 1.1k views

rust - Expected closure, found a different closure

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 860 views

rust - Cannot borrow `*self` as mutable because `self.history[..]` is also borrowed as immutable

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 1.2k views

rust - Is there a shortcut to unwrap or continue in a loop?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 839 views

rust - Why are const atomic variables not updated, but static atomic variables are?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 910 views

rust - Why can a Cargo package only have one library target?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 622 views

rust - Problems with mutability in a closure

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 826 views

rust - Pass None into a function that accepts Option

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 830 views

rust - How do I sort an array?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 1.1k views

rust - How do I bound a generic type with a trait that requires a lifetime parameter if I create the reference inside the function?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 700 views

rust - How can I define an async method in a trait?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 864 views

rust - How do I pass Rc<RefCell<Box<MyStruct>>> to a function accepting Rc<RefCell<Box<dyn MyTrait>>>?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 683 views

rust - Why would you ever use the same lifetimes for references in a struct?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1 answer 678 views

rust - What is the {integer} or {float} in a compiler error message?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 1.3k views

rust - How to implement `serde::Serialize` for a boxed trait object?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 1.2k views

rust - How can I do a mutable borrow in a for loop?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1 answer 903 views

rust - Why am I getting "parameter is never used [E0392]"?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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