alamb commented on a change in pull request #8534:
URL: https://github.com/apache/arrow/pull/8534#discussion_r512590881
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File path: rust/parquet/src/util/cursor.rs
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@@ -15,20 +15,31 @@
// specific language governing permissions and limitations
// under the License.
-use std::cmp;
-use std::io::{self, Error, ErrorKind, Read};
+use std::io::{self, Error, ErrorKind, Read, Seek, SeekFrom};
use std::rc::Rc;
+use std::{cmp, fmt};
/// This is object to use if your file is already in memory.
/// The sliceable cursor is similar to std::io::Cursor, except that it makes
it easy to create "cursor slices".
/// To achieve this, it uses Rc instead of shared references. Indeed reference
fields are painfull
/// because the lack of Generic Associated Type implies that you would require
complex lifetime propagation when
/// returning such a cursor.
pub struct SliceableCursor {
- inner: Rc<Vec<u8>>,
start: u64,
length: usize,
pos: u64,
+ inner: Rc<Vec<u8>>,
+}
+
+impl fmt::Debug for SliceableCursor {
Review comment:
I used this formulation rather than `[#derive(Debug)]` to avoid getting
the buffer contents dumped which can be lots of data to sort through.
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