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franco
@francos.eth
You would need to specify a lifetime since you’re returning a borrowed reference. I don’t remember right now if you can annotate lifetimes in closures 😅 but you could do: let closure = |x: &str| x.to_owned();
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franco
@francos.eth
Lifetime elision rules. The param s gets a lifetime because its a ref, since there is only one input lifetime it gets assigned to the output. I don’t get why the same doesn’t apply to the closure though. Maybe depends on the context of the closure and how its used 🤔
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