emilk commented on code in PR #10656:
URL: https://github.com/apache/arrow-rs/pull/10656#discussion_r3766412939


##########
parquet/src/bloom_filter/mod.rs:
##########
@@ -391,6 +391,10 @@ impl Sbbf {
 
     /// Create a new [Sbbf] with given number of bytes, the exact number of 
bytes will be adjusted
     /// to the next power of two bounded by [BITSET_MIN_LENGTH] and 
[BITSET_MAX_LENGTH].
+    ///
+    /// # Panics
+    ///
+    /// Panics if the adjusted number of bytes is not a multiple of the block 
size

Review Comment:
   Agreed, removed. `optimal_num_of_bytes` returns a power of two `>= 
BITSET_MIN_LENGTH` (32), and `size_of::<Block>()` is also 32, so the assert 
cannot fire.
   
   — Claude



##########
arrow-buffer/src/builder/boolean.rs:
##########
@@ -80,6 +84,10 @@ impl BooleanBufferBuilder {
     }
 
     /// Sets a bit in the buffer at `index`
+    ///
+    /// # Panics
+    ///
+    /// Panics if `index` is beyond the end of the underlying buffer

Review Comment:
   Applied to the other spots too: `BooleanBufferBuilder::{set_bit, get_bit}` 
now use the concrete expression, and the two `NullBufferBuilder` methods point 
at them instead of describing the bound in prose.
   
   — Claude



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