yordan-pavlov commented on a change in pull request #8630:
URL: https://github.com/apache/arrow/pull/8630#discussion_r526412778
##########
File path: rust/arrow/src/buffer.rs
##########
@@ -888,6 +888,15 @@ impl MutableBuffer {
}
self.len += bytes.len();
}
+
+ /// Extends the buffer by `len` with all bytes equal to `0u8`,
incrementing its capacity if needed.
+ pub fn extend(&mut self, len: usize) {
+ let remaining_capacity = self.capacity - self.len;
+ if len > remaining_capacity {
+ self.reserve(self.len + len);
Review comment:
you are right, I misunderstood reserve(x) to mean that we want to
increase capacity by x, apologies
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