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並前往https://www.reddit.com/r/rust/comments/hemjx0/boxnew_lies_data_is_created_on_the_stack_then/

new() lies (data is created on the stack, then copied to the heap)

It turns out when you do Box::new(x), it first creates x on the stack, and then copies ... in the hopes that we can get this fixed in rust.

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