Why does this Rust code takes twice the time to run compared to C++?

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Rust Web programming HTTP Client Compiler Language

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  • rust

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    • They're not generally equivalent due to overflow of n+1 though. But the checks make LLVMs autovectorizer miss a bunch of cases: https://github.com/rust-lang/rust/issues/45222

  • hyper

    An HTTP library for Rust (by hyperium)

    • For example, the typestate pattern lets you check correct traversal of finite state machines at compile time. (Hyper uses it to turn "tried to set an HTTP request/response header after the body has begun streaming" into a compile-time error.

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