#[inline] slice::advance_by
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1 changed files with 3 additions and 2 deletions
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@ -185,8 +185,9 @@ macro_rules! iterator {
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}
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}
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#[inline]
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fn advance_by(&mut self, n: usize) -> Result<(), usize> {
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let advance = cmp::min(n, len!(self));
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let advance = cmp::min(len!(self), n);
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// SAFETY: By construction, `advance` does not exceed `self.len()`.
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unsafe { self.post_inc_start(advance as isize) };
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if advance == n { Ok(()) } else { Err(advance) }
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@ -381,7 +382,7 @@ macro_rules! iterator {
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#[inline]
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fn advance_back_by(&mut self, n: usize) -> Result<(), usize> {
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let advance = cmp::min(n, len!(self));
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let advance = cmp::min(len!(self), n);
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// SAFETY: By construction, `advance` does not exceed `self.len()`.
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unsafe { self.pre_dec_end(advance as isize) };
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if advance == n { Ok(()) } else { Err(advance) }
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