pitrou commented on code in PR #35731:
URL: https://github.com/apache/arrow/pull/35731#discussion_r1203849613
##########
cpp/src/parquet/hasher.h:
##########
@@ -66,6 +66,58 @@ class Hasher {
/// @param len the value length.
virtual uint64_t Hash(const FLBA* value, uint32_t len) const = 0;
+ /// Batch compute hashes for 32 bits values by using its plain encoding
result.
+ ///
+ /// @param values the value to hash.
+ /// @param num_values the number of values to hash.
+ /// @param hashes the output hash value, it length should be equal to
num_values.
Review Comment:
```suggestion
/// @param hashes a pointer to the output hash values, its length should
be equal to num_values.
```
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