ARROW-4800: [C++] Introduce a Result<T> class

emkornfield · wesm · commit 71c003e54d85 · 2019-06-22T15:22:47.000-05:00
- Mostly an adaptation of StatusOr from google/asylo (both header and unittests). - Demonstrate usage in ipc/writer* - If this PR is accepted I can do a follow-up PR to port over useful testing utilities. Author: Micah Kornfield <emkornfield@gmail.com> Author: emkornfield <emkornfield@gmail.com> Closes apache#4501 from emkornfield/error_or and squashes the following commits: 82e48c453 <Micah Kornfield> fix linter. Add unittest. aad79b183 <Micah Kornfield> rename to Return 1d7dbfbcd <Micah Kornfield> Use bkietz's suggestion. cleanup test d8e80431c <Micah Kornfield> fix compile errors cc626079c <Micah Kornfield> try non anonyous namespace 86e43ac89 <Micah Kornfield> export before 8a4b3ccf3 <Micah Kornfield> try explicit instantation for msvc f12f6d027 <Micah Kornfield> Revert "remove ARROW_EXPORT from test and try add link to gtest_main" 9581b05b1 <Micah Kornfield> remove ARROW_EXPORT from test and try add link to gtest_main 7a21e577a <Micah Kornfield> try exporting private test classes for appveyor 0b44389da <Micah Kornfield> fix format de9d2d0d9 <Micah Kornfield> remove duplicate code. fix format 504fcd7bf <emkornfield> Update cpp/src/arrow/error_or.h 31d9906c5 <Micah Kornfield> use vendored variant aa540da09 <Micah Kornfield> fix append 6f459a5f9 <Micah Kornfield> address review comments 7a1e54de4 <Micah Kornfield> Add Arrow export 2886733fb <Micah Kornfield> use ARROW_RETURN_NOT_OK f7ed04f00 <Micah Kornfield> address comments 3e2b3691a <Micah Kornfield> follow recommendation of docs for macro d5e43d034 <Micah Kornfield> ARROW-4800: Introduce an ErrorOr class
diff --git a/LICENSE.txt b/LICENSE.txt
@@ -882,3 +882,54 @@ This project include code from mingw-w64.
 Copyright (c) 2009 - 2013 by the mingw-w64 project
 Homepage: https://mingw-w64.org
 License: Zope Public License (ZPL) Version 2.1.
+
+---------------------------------------------------------------------------------
+
+This project include code from Google's Asylo project.
+
+* cpp/src/arrow/result.h is based on status_or.h
+
+Copyright (c)  Copyright 2017 Asylo authors
+Homepage: https://asylo.dev/ 
+License: Apache 2.0
+
+---------------------------------------------------------------------------------
+
+This project includes code from Google's protobuf project
+
+* cpp/src/arrow/result.h ARROW_ASSIGN_OR_RAISE is based off ASSIGN_OR_RETURN
+
+Copyright 2008 Google Inc.  All rights reserved.
+Homepage: https://developers.google.com/protocol-buffers/ 
+License: 
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+    * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+    * Neither the name of Google Inc. nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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+Code generated by the Protocol Buffer compiler is owned by the owner
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