[doc]reference about:moved-and-copied-types need to be updated. #22136
Description
The following part need to be updated:
http://doc.rust-lang.org/reference.html#moved-and-copied-types
The Copy trait is "opt-in" now.
{{ message }}
The following part need to be updated:
http://doc.rust-lang.org/reference.html#moved-and-copied-types
The Copy trait is "opt-in" now.