FM / util

/usr/local/lib64/python3.6/site-packages/pyarrow/include/arrow/util/

/usr/local/lib64/python3.6/site-packages/pyarrow/include/arrow/util

Name	Size	Mode	Actions
algorithm.h	1229	0644	edit dl rm
aligned_storage.h	4302	0644	edit dl rm
align_util.h	2636	0644	edit dl rm
async_generator.h	64088	0644	edit dl rm
async_util.h	9633	0644	edit dl rm
atomic_shared_ptr.h	3640	0644	edit dl rm
base64.h	1098	0644	edit dl rm
basic_decimal.h	20334	0644	edit dl rm
benchmark_util.h	4584	0644	edit dl rm
bitmap.h	17463	0644	edit dl rm
bitmap_builders.h	1563	0644	edit dl rm
bitmap_generate.h	3563	0644	edit dl rm
bitmap_ops.h	9084	0644	edit dl rm
bitmap_reader.h	8347	0644	edit dl rm
bitmap_visit.h	3460	0644	edit dl rm
bitmap_writer.h	9360	0644	edit dl rm
bitset_stack.h	2789	0644	edit dl rm
bit_block_counter.h	19141	0644	edit dl rm
bit_run_reader.h	16599	0644	edit dl rm
bit_stream_utils.h	16986	0644	edit dl rm
bit_util.h	11568	0644	edit dl rm
bpacking.h	1175	0644	edit dl rm
bpacking64_default.h	195934	0644	edit dl rm
bpacking_avx2.h	1009	0644	edit dl rm
bpacking_avx512.h	1011	0644	edit dl rm
bpacking_default.h	103232	0644	edit dl rm
bpacking_neon.h	1009	0644	edit dl rm
bpacking_simd128_generated.h	98529	0644	edit dl rm
bpacking_simd256_generated.h	77475	0644	edit dl rm
bpacking_simd512_generated.h	67081	0644	edit dl rm
byte_stream_split.h	28784	0644	edit dl rm
cancel.h	2911	0644	edit dl rm
checked_cast.h	2076	0644	edit dl rm
compare.h	1981	0644	edit dl rm
compression.h	7367	0644	edit dl rm
concurrent_map.h	1775	0644	edit dl rm
config.h	1659	0644	edit dl rm
converter.h	14657	0644	edit dl rm
counting_semaphore.h	2251	0644	edit dl rm
cpu_info.h	4724	0644	edit dl rm
decimal.h	11687	0644	edit dl rm
delimiting.h	7335	0644	edit dl rm
dispatch.h	3235	0644	edit dl rm
double_conversion.h	1195	0644	edit dl rm
endian.h	8071	0644	edit dl rm
formatting.h	20612	0644	edit dl rm
functional.h	5612	0644	edit dl rm
future.h	36168	0644	edit dl rm
future_iterator.h	2517	0644	edit dl rm
hashing.h	30633	0644	edit dl rm
hash_util.h	1914	0644	edit dl rm
int_util.h	4284	0644	edit dl rm
io_util.h	10326	0644	edit dl rm
iterator.h	18123	0644	edit dl rm
key_value_metadata.h	3579	0644	edit dl rm
launder.h	1051	0644	edit dl rm
logging.h	9338	0644	edit dl rm
macros.h	7349	0644	edit dl rm
make_unique.h	1475	0644	edit dl rm
map.h	2476	0644	edit dl rm
math_constants.h	1106	0644	edit dl rm
memory.h	1566	0644	edit dl rm
mutex.h	1833	0644	edit dl rm
optional.h	1174	0644	edit dl rm
parallel.h	3616	0644	edit dl rm
pcg_random.h	1146	0644	edit dl rm
print.h	1725	0644	edit dl rm
queue.h	1017	0644	edit dl rm
range.h	4834	0644	edit dl rm
rle_encoding.h	31029	0644	edit dl rm
simd.h	1333	0644	edit dl rm
small_vector.h	14660	0644	edit dl rm
sort.h	2466	0644	edit dl rm
spaced.h	3567	0644	edit dl rm
stopwatch.h	1401	0644	edit dl rm
string.h	2570	0644	edit dl rm
string_builder.h	2446	0644	edit dl rm
string_view.h	1269	0644	edit dl rm
task_group.h	4362	0644	edit dl rm
tdigest.h	3052	0644	edit dl rm
test_common.h	2837	0644	edit dl rm
thread_pool.h	15338	0644	edit dl rm
time.h	2988	0644	edit dl rm
trie.h	7157	0644	edit dl rm
type_fwd.h	1409	0644	edit dl rm
type_traits.h	2894	0644	edit dl rm
ubsan.h	2777	0644	edit dl rm
unreachable.h	926	0644	edit dl rm
uri.h	3297	0644	edit dl rm
utf8.h	18780	0644	edit dl rm
value_parsing.h	27056	0644	edit dl rm
variant.h	13728	0644	edit dl rm
vector.h	5665	0644	edit dl rm
visibility.h	1463	0644	edit dl rm
windows_compatibility.h	1260	0644	edit dl rm
windows_fixup.h	1379	0644	edit dl rm

Edit: /usr/local/lib64/python3.6/site-packages/pyarrow/include/arrow/util/vector.h (5665B)

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

#pragma once

#include <algorithm>
#include <utility>
#include <vector>

#include "arrow/result.h"
#include "arrow/util/algorithm.h"
#include "arrow/util/functional.h"
#include "arrow/util/logging.h"

namespace arrow {
namespace internal {

template <typename T>
std::vector<T> DeleteVectorElement(const std::vector<T>& values, size_t index) {
  DCHECK(!values.empty());
  DCHECK_LT(index, values.size());
  std::vector<T> out;
  out.reserve(values.size() - 1);
  for (size_t i = 0; i < index; ++i) {
    out.push_back(values[i]);
  }
  for (size_t i = index + 1; i < values.size(); ++i) {
    out.push_back(values[i]);
  }
  return out;
}

template <typename T>
std::vector<T> AddVectorElement(const std::vector<T>& values, size_t index,
                                T new_element) {
  DCHECK_LE(index, values.size());
  std::vector<T> out;
  out.reserve(values.size() + 1);
  for (size_t i = 0; i < index; ++i) {
    out.push_back(values[i]);
  }
  out.emplace_back(std::move(new_element));
  for (size_t i = index; i < values.size(); ++i) {
    out.push_back(values[i]);
  }
  return out;
}

template <typename T>
std::vector<T> ReplaceVectorElement(const std::vector<T>& values, size_t index,
                                    T new_element) {
  DCHECK_LE(index, values.size());
  std::vector<T> out;
  out.reserve(values.size());
  for (size_t i = 0; i < index; ++i) {
    out.push_back(values[i]);
  }
  out.emplace_back(std::move(new_element));
  for (size_t i = index + 1; i < values.size(); ++i) {
    out.push_back(values[i]);
  }
  return out;
}

template <typename T, typename Predicate>
std::vector<T> FilterVector(std::vector<T> values, Predicate&& predicate) {
  auto new_end =
      std::remove_if(values.begin(), values.end(), std::forward<Predicate>(predicate));
  values.erase(new_end, values.end());
  return values;
}

template <typename Fn, typename From,
          typename To = decltype(std::declval<Fn>()(std::declval<From>()))>
std::vector<To> MapVector(Fn&& map, const std::vector<From>& source) {
  std::vector<To> out;
  out.reserve(source.size());
  std::transform(source.begin(), source.end(), std::back_inserter(out),
                 std::forward<Fn>(map));
  return out;
}

template <typename Fn, typename From,
          typename To = decltype(std::declval<Fn>()(std::declval<From>()))>
std::vector<To> MapVector(Fn&& map, std::vector<From>&& source) {
  std::vector<To> out;
  out.reserve(source.size());
  std::transform(std::make_move_iterator(source.begin()),
                 std::make_move_iterator(source.end()), std::back_inserter(out),
                 std::forward<Fn>(map));
  return out;
}

/// \brief Like MapVector, but where the function can fail.
template <typename Fn, typename From = internal::call_traits::argument_type<0, Fn>,
          typename To = typename internal::call_traits::return_type<Fn>::ValueType>
Result<std::vector<To>> MaybeMapVector(Fn&& map, const std::vector<From>& source) {
  std::vector<To> out;
  out.reserve(source.size());
  ARROW_RETURN_NOT_OK(MaybeTransform(source.begin(), source.end(),
                                     std::back_inserter(out), std::forward<Fn>(map)));
  return std::move(out);
}

template <typename Fn, typename From = internal::call_traits::argument_type<0, Fn>,
          typename To = typename internal::call_traits::return_type<Fn>::ValueType>
Result<std::vector<To>> MaybeMapVector(Fn&& map, std::vector<From>&& source) {
  std::vector<To> out;
  out.reserve(source.size());
  ARROW_RETURN_NOT_OK(MaybeTransform(std::make_move_iterator(source.begin()),
                                     std::make_move_iterator(source.end()),
                                     std::back_inserter(out), std::forward<Fn>(map)));
  return std::move(out);
}

template <typename T>
std::vector<T> FlattenVectors(const std::vector<std::vector<T>>& vecs) {
  std::size_t sum = 0;
  for (const auto& vec : vecs) {
    sum += vec.size();
  }
  std::vector<T> out;
  out.reserve(sum);
  for (const auto& vec : vecs) {
    out.insert(out.end(), vec.begin(), vec.end());
  }
  return out;
}

template <typename T>
Result<std::vector<T>> UnwrapOrRaise(std::vector<Result<T>>&& results) {
  std::vector<T> out;
  out.reserve(results.size());
  auto end = std::make_move_iterator(results.end());
  for (auto it = std::make_move_iterator(results.begin()); it != end; it++) {
    if (!it->ok()) {
      return it->status();
    }
    out.push_back(it->MoveValueUnsafe());
  }
  return std::move(out);
}

template <typename T>
Result<std::vector<T>> UnwrapOrRaise(const std::vector<Result<T>>& results) {
  std::vector<T> out;
  out.reserve(results.size());
  for (const auto& result : results) {
    if (!result.ok()) {
      return result.status();
    }
    out.push_back(result.ValueUnsafe());
  }
  return std::move(out);
}

}  // namespace internal
}  // namespace arrow

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