Fix return types for MurmurHash3_x86_32 template specializations (#17622

)

Changes the return types for the `MurmurHash3_x86_32` specialization functions to match the declarations in the struct.
Hoping to fix some intellisense squiggles.

Authors:
  - David Wendt (https://github.com/davidwendt)

Approvers:
  - Tianyu Liu (https://github.com/kingcrimsontianyu)
  - Yunsong Wang (https://github.com/PointKernel)
  - Nghia Truong (https://github.com/ttnghia)

URL: #17622

cpp/include/cudf/hashing/detail/murmurhash3_x86_32.cuh

@@ -57,62 +57,71 @@ struct MurmurHash3_x86_32 {
 };
 
 template <>
-hash_value_type __device__ inline MurmurHash3_x86_32<bool>::operator()(bool const& key) const
+MurmurHash3_x86_32<bool>::result_type __device__ inline MurmurHash3_x86_32<bool>::operator()(
+  bool const& key) const
 {
   return this->compute(static_cast<uint8_t>(key));
 }
 
 template <>
-hash_value_type __device__ inline MurmurHash3_x86_32<float>::operator()(float const& key) const
+MurmurHash3_x86_32<float>::result_type __device__ inline MurmurHash3_x86_32<float>::operator()(
+  float const& key) const
 {
   return this->compute(normalize_nans_and_zeros(key));
 }
 
 template <>
-hash_value_type __device__ inline MurmurHash3_x86_32<double>::operator()(double const& key) const
+MurmurHash3_x86_32<double>::result_type __device__ inline MurmurHash3_x86_32<double>::operator()(
+  double const& key) const
 {
   return this->compute(normalize_nans_and_zeros(key));
 }
 
 template <>
-hash_value_type __device__ inline MurmurHash3_x86_32<cudf::string_view>::operator()(
-  cudf::string_view const& key) const
+MurmurHash3_x86_32<cudf::string_view>::result_type
+  __device__ inline MurmurHash3_x86_32<cudf::string_view>::operator()(
+    cudf::string_view const& key) const
 {
   return this->compute_bytes(reinterpret_cast<cuda::std::byte const*>(key.data()),
                              key.size_bytes());
 }
 
 template <>
-hash_value_type __device__ inline MurmurHash3_x86_32<numeric::decimal32>::operator()(
-  numeric::decimal32 const& key) const
+MurmurHash3_x86_32<numeric::decimal32>::result_type
+  __device__ inline MurmurHash3_x86_32<numeric::decimal32>::operator()(
+    numeric::decimal32 const& key) const
 {
   return this->compute(key.value());
 }
 
 template <>
-hash_value_type __device__ inline MurmurHash3_x86_32<numeric::decimal64>::operator()(
-  numeric::decimal64 const& key) const
+MurmurHash3_x86_32<numeric::decimal64>::result_type
+  __device__ inline MurmurHash3_x86_32<numeric::decimal64>::operator()(
+    numeric::decimal64 const& key) const
 {
   return this->compute(key.value());
 }
 
 template <>
-hash_value_type __device__ inline MurmurHash3_x86_32<numeric::decimal128>::operator()(
-  numeric::decimal128 const& key) const
+MurmurHash3_x86_32<numeric::decimal128>::result_type
+  __device__ inline MurmurHash3_x86_32<numeric::decimal128>::operator()(
+    numeric::decimal128 const& key) const
 {
   return this->compute(key.value());
 }
 
 template <>
-hash_value_type __device__ inline MurmurHash3_x86_32<cudf::list_view>::operator()(
-  cudf::list_view const& key) const
+MurmurHash3_x86_32<cudf::list_view>::result_type
+  __device__ inline MurmurHash3_x86_32<cudf::list_view>::operator()(
+    cudf::list_view const& key) const
 {
   CUDF_UNREACHABLE("List column hashing is not supported");
 }
 
 template <>
-hash_value_type __device__ inline MurmurHash3_x86_32<cudf::struct_view>::operator()(
-  cudf::struct_view const& key) const
+MurmurHash3_x86_32<cudf::struct_view>::result_type
+  __device__ inline MurmurHash3_x86_32<cudf::struct_view>::operator()(
+    cudf::struct_view const& key) const
 {
   CUDF_UNREACHABLE("Direct hashing of struct_view is not supported");
 }