less unsafe code
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@ -292,17 +292,15 @@ impl<'a> TrieDBIterator<'a> {
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/// The present key.
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fn key(&self) -> Bytes {
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// collapse the key_nibbles down to bytes.
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unsafe {
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let size = self.key_nibbles.len() / 2;
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let mut ptr = self.key_nibbles.as_ptr();
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let mut result = Bytes::with_capacity(size);
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for _ in 0..size {
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result.push(*ptr * 16 + *ptr.offset(1));
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ptr = ptr.offset(2);
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}
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result
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let nibbles = &self.key_nibbles;
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let mut i = 0;
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let mut result = Bytes::with_capacity(nibbles.len() / 2);
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let len = nibbles.len() - 1;
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while i < len {
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result.push(nibbles[i] * 16 + nibbles[i + 1]);
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i += 2;
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}
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result
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}
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}
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