1 // Licensed to the Apache Software Foundation (ASF) under one
2 // or more contributor license agreements. See the NOTICE file
3 // distributed with this work for additional information
4 // regarding copyright ownership. The ASF licenses this file
5 // to you under the Apache License, Version 2.0 (the
6 // "License"); you may not use this file except in compliance
7 // with the License. You may obtain a copy of the License at
8 //
9 // http://www.apache.org/licenses/LICENSE-2.0
10 //
11 // Unless required by applicable law or agreed to in writing,
12 // software distributed under the License is distributed on an
13 // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
14 // KIND, either express or implied. See the License for the
15 // specific language governing permissions and limitations
16 // under the License.
17
18 #pragma once
19
20 #include "arrow/result.h"
21
22 namespace arrow {
23
24 template <typename InputIterator, typename OutputIterator, typename UnaryOperation>
MaybeTransform(InputIterator first,InputIterator last,OutputIterator out,UnaryOperation unary_op)25 Status MaybeTransform(InputIterator first, InputIterator last, OutputIterator out,
26 UnaryOperation unary_op) {
27 for (; first != last; ++first, (void)++out) {
28 ARROW_ASSIGN_OR_RAISE(*out, unary_op(*first));
29 }
30 return Status::OK();
31 }
32
33 } // namespace arrow
34