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refactor(permission): replace unwrap with expect
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@ -113,7 +113,10 @@ impl Permissions {
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]
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.into_iter()
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.fold(String::with_capacity(4), |mut acc, x| {
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acc.push(char::from_digit(x as u32, 8).unwrap());
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acc.push(
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char::from_digit(x as u32, 8)
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.expect("Octal value of permission should not greater than 7."),
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);
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acc
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});
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