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The original example does not return a mutable reference; in Rust you must explicitly opt in to mutability. Compare [1] and [2]. [1]: https://play.rust-lang.or
by erikdesjardins 10y ago
The original example does not return a mutable reference; in Rust you must explicitly opt in to mutability. Compare [1] and [2].
[1]: https://play.rust-lang.org/?gist=78e7af18c6fc7d37d9df96be63ac23d8 https://play.rust-lang.org/?gist=78e7af18c6fc7d37d9df96be63a...
[2]: https://play.rust-lang.org/?gist=2072a18b674685f20c9d1504a8829a3d https://play.rust-lang.org/?gist=2072a18b674685f20c9d1504a88...
- blub 10y agoOh ok, my bad. Then the C++ translation above should probably be a const& in C++, which is acceptable. The returned reference could in that case be stored, but it's risky and a bad practice.