Recent questions tagged rust

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rust - Why can I call File.take() on a reference?

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

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1 answer 852 views

rust - Extending borrowed lifetime for String slice

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

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1 answer 1.1k views

rust - How to unwrap a &Result<_,_>?

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

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1 answer 921 views

rust - Concurrent access to vector from multiple threads using a mutex lock

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

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1 answer 881 views

rust - Why can't I assign one dereference of a reference of a reference to another when the outer lifetimes differ?

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

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rust - How do I return an iterator that has a reference to something inside a RefCell?

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

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1 answer 777 views

rust - Is it safe to logically split a borrow to work around a limitation of the NLL-enabled borrow-checker?

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

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1 answer 774 views

rust - Collaterally moved error when deconstructing a Box of pairs

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

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1 answer 882 views

rust - Defining a method for a struct only when a field is a certain enum variant?

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

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1 answer 1.0k views

rust - How to access current cargo profile (build, test, bench, doc, ....) from the build script (build.rs)

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

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1 answer 1.0k views

rust - Can I add a dependent crate that is a subdirectory in a git repository?

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

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1 answer 1.2k views

rust - Why is it possible to return a mutable reference to a literal from a function?

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

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1 answer 916 views

rust - How do I share a HashMap between Hyper handlers?

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

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1 answer 811 views

rust - How do I implement the Chain of Responsibility pattern using a chain of trait objects?

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

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1 answer 1.2k views

rust - How do I implement FromStr with a concrete lifetime?

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

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1 answer 1.0k views

rust - Why must the associated type be specified in a collection of trait object references?

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

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1 answer 801 views

rust - Why does the compiler claim that an associated type from a higher-ranked trait bound doesn't implement `Display` even though it should?

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

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1 answer 1.1k views

rust - Why does a for loop not require a mutable iterator?

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

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1 answer 853 views

rust - Why can't `Self` be used to refer to an enum's variant in a method body?

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

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1 answer 1.2k views

rust - Requiring a trait bound on the associated type of an inherited trait

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

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1 answer 1.2k views

rust - What must I cast an `u8` to in able to use it as an index in my vector?

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

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1 answer 1.2k views

rust - Why do proc-macros have to be defined in proc-macro crate?

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

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1 answer 1.3k views

rust - How to implement PartialEq for an enum?

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

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1 answer 1.1k views

rust - How to make a compiled Regexp a global variable?

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

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1 answer 1.0k views

rust - Deserialize a Vec<Foobar<T>> as Vec<T> directly when Foobar has exactly one field

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

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1 answer 898 views

rust - What is the difference between type casting by setting the type of a variable and using `as`?

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

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1 answer 696 views

rust - Why does the address of an object change across methods?

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

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1 answer 930 views

rust - Can struct-like enums be used as types?

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

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