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*: replace FnBox with FnOnce - #4659
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FnBox will never be stabilized. Instead, Box<dyn FnOnce> is available now, and is scheduled to be stabilized in 1.35. So we can replace all FnBox occurences with FnOnce now. Feature gate of fnbox can be removed as well. Signed-off-by: Yilin Chen <sticnarf@gmail.com>
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FnBox will never be stabilized. Instead, Box<dyn FnOnce> is available now, and is scheduled to be stabilized in 1.35. So we can replace all FnBox occurences with FnOnce now. Feature gate of fnbox can be removed as well. Signed-off-by: Yilin Chen <sticnarf@gmail.com>
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What have you changed? (mandatory)
FnBoxwill never be stabilized. Instead,Box<dyn FnOnce>is available now, and is fully usable in 1.35. (rust-lang/rust#59500)So we can replace all FnBox occurrences with
FnOncenow. Feature gate of fnbox can be removed as well.What are the type of the changes? (mandatory)
Engineering
How has this PR been tested? (mandatory)
make devDoes this PR affect documentation (docs) or release note? (mandatory)
No
Does this PR affect tidb-ansible update? (mandatory)
No
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@kennytm