Recent questions tagged rust

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rust - No method named `poll` found for a type that implements `Future`

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

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1 answer 891 views

rust - How can I create a Tokio runtime inside another Tokio runtime without getting the error "Cannot start a runtime from within a runtime"?

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

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1 answer 757 views

rust - Understanding (automatic?) Deref/coercion when adding references and values of numbers

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

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1 answer 716 views

rust - What is the proper way to go from a String to a *const i8?

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

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1 answer 795 views

rust - Unused type parameter on closure argument

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

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rust - Split a string keeping the separators

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

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1 answer 535 views

rust - Is this error due to the compiler's special knowledge about RefCell?

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

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rust - Is there a way to use custom patterns such as a regex or functions in a match?

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

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1 answer 677 views

rust - Why is "one type is more general than the other" in an Option containing a closure?

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

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1 answer 752 views

rust - Why can a trait not construct itself?

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

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1 answer 823 views

rust - Why can the lifetimes not be elided in a struct definition?

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

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1 answer 907 views

rust - Is there a way to simplify converting an Option into a Result without a macro?

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

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1 answer 835 views

rust - How to use the Pin struct with self-referential structures?

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

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1 answer 860 views

rust - How do I define trait bounds on an associated type?

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

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rust - Why is the Copy trait needed for default (struct valued) array initialization?

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

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1 answer 766 views

rust - Why can I not return a mutable reference to an outer variable from a closure?

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

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1 answer 673 views

rust - Is it possible to add your own derivable traits, or are these fixed by the compiler?

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

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1 answer 1.0k views

rust - Iterating over a vector of mutable references to trait objects

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

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1 answer 595 views

rust - Is it more conventional to pass-by-value or pass-by-reference when the method needs ownership of the value?

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

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1 answer 642 views

rust - How can I include private modules when generating documentation via Cargo?

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

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1 answer 678 views

rust - How can I distinguish between a deserialized field that is missing and one that is null?

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

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1 answer 909 views

rust - How do I move values out of an array one at a time?

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

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1 answer 947 views

rust - Can I install a library using Cargo without a Cargo.toml?

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

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1 answer 566 views

rust - What's the benefit of using a Result?

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

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1 answer 731 views

rust - Why is using return as the last statement in a function considered bad style?

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

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1 answer 773 views

rust - How do I create a map from a list in a functional way?

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 can I convert a hex string to a u8 slice?

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

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1 answer 837 views

rust - Why does the usage of by_ref().take() differ between the Iterator and Read traits?

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

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1 answer 700 views

rust - Is there a way to use the cfg(feature) check on multiple statements?

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 to move one field out of a struct that implements Drop trait?

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

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1 answer 668 views

rust - What are the differences between an impl trait argument and generic function parameter?

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 convert from &[u8] to Vec<u8>?

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 suppress "function is never used" warning for a function used by tests?

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

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1 answer 1.1k views

rust - Creating a vector of zeros for a specific size

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

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1 answer 576 views

rust - How to write a custom attribute that injects code into a function

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

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