jorisvandenbossche commented on code in PR #36462:
URL: https://github.com/apache/arrow/pull/36462#discussion_r1255770474


##########
python/pyarrow/includes/libarrow_dataset.pxd:
##########
@@ -288,13 +288,14 @@ cdef extern from "arrow/dataset/api.h" namespace 
"arrow::dataset" nogil:
         c_string type_name() const
         CResult[CExpression] Parse(const c_string & path) const
         const shared_ptr[CSchema] & schema()
+        c_bool Equals(const CPartitioning& other) const
 
     cdef cppclass CSegmentEncoding" arrow::dataset::SegmentEncoding":
-        pass
+        bint operator==(CSegmentEncoding)

Review Comment:
   `c_bool` comes from  `from libcpp cimport bool as c_bool`, while `bint` is a 
built-in cython type (for C boolean values, i.e. int with 0/non-0 values for 
False/True). Not fully sure in which case which should be used (or if it 
matters). I think generally where we expect to pass a Python boolean (eg in 
signatures) we use `bint`, while `c_bool` is mostly used when interfacing with 
the C++ declared methods.
   
   In this case I copied it from another place in the pxd file that was using 
the same pattern.
   



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