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by pornel
2583 days ago
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Rust doesn't have a syntax distinction for passing by reference vs passing by value (which may sound terrible to a C++ programmer, but Rust has no copy constructors, and types are non-copyable by default, so nothing expensive gets copied by surprise). For example, in the C sense, `Box<u8>` is a pointer, and `&str` is a struct passed by value. Rust is all about ownership, and `&` means "don't free() this". |
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