C++ Templates by David Vandevoorde, Nicolai M Josuttis, ISBN 978-0321714121, Addison-Wesley Professiona
http://www.tmplbook.com
この資料は
C++ Templates Part1: The BasicsChapter 1. Function Templates 1.1 A First Look at Function Templates 1.1.2 Using the Template max.cpp
https://researchmap.jp/jor3dv7ko-1797580/#_1797580
のQiitaへの転載です。転載に当たって、-std=c++03, -std=c++11, -std=c++17。
Qiitaの方が、プログラムの表示の色分けなど見やすい。
C++ Templates The Complete Guide(2nd Edition)をclang++とg++でコンパイルしてみた
https://qiita.com/kaizen_nagoya/items/a7065ea839cb33793bdf
<この項は書きかけです。順次追記します。>
Part1 BASICS
Chapter 1. Function Templates
1.1 A First Look at Function Templates
1.1.2 Using the templates
1 filename: Te_ba_stack1test.cpp
2 original examples and/or notes:
3 compile and output mechanism:
4 compile errors and/or warnings:
5. Hardware: MacBook Pro, (Retina, 13-inch, Mid 2014)
6. notes
7. source code
8. Compile and Go
算譜(source code)
// 1 filename: Te_ba_max.cpp
// ver 0.1 18(Mon), Aug, 2017
#include <iostream>
#include <string>
// 2 original examples and/or notes:
// (c) Copyright 2003 "C++ Templates - The Complete Guide" by Pearson Education, Inc. David Vandevoorde, and Nicolai M. Josuttis. All rights reserved.
// http://www.josuttis.com/tmplbook/
// The best way to reach the author of the book is by e-mail:tmplbook@josuttis.com
std::string ru ("\"C++ Template Part1: The Basics.\"");
std::string rus ("\"Chapter 2. Function Templates 2.1 A First Look at Function Templates 2.1.2 Using the Template max.cpp \"");
// 3 compile and output mechanism:
// (c) Dr. OGAWA Kiyoshi, kaizen at wh.commufa.jp
// https://researchmap.jp/jo0n1csau-1797580/#_1797580
//
// 4 compile errors and/or warnings:
// 4.1 Clang http://www.llvm.org/
// Copyright (c) 2003-2017, LLVM Project
// clang++ --version
// (c) clang version 5.0.0 (tags/RELEASE_500/final)
// Target: x86_64-apple-darwin14.5.0
// Thread model: posix
// InstalledDir: /usr/local/opt/llvm/bin
// Base standard: https://clang.llvm.org/cxx_status.html
// Command/Options: clang++ -std=c++17 -stdlib=libc++ -Wall Te_ba_max.cpp -o Te_ba_maxL
// Configuration: brew install --with-clang llvm
//
// 4.2.g++-7 (Homebrew GCC 7.3.0_1) 7.3.0
// Copyright (C) 2017 Free Software Foundation, Inc.
// This is free software; see the source for copying conditions.
// There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// ln -s /usr/local/bin/gcc-7 /usr/local/bin/gcc
// ln -s /usr/local/bin/g++-7 /usr/local/bin/g++
// Base standard: http://gcc.gnu.org/onlinedocs/gcc/Standards.html
// Command/Options: g++ -std=c++17 -Wall Te_ba_max.cpp -o Te_ba_maxG
// Configuration:brew install gcc7
//
// 5. Hardware: MacBook Pro, (Retina, 13-inch, Mid 2014)
// OS X 10.10.5 Yosemite
//Core i5, 2.6GHz, 16GB, 1600MHz DDR3
//(c) Intel http://ark.intel.com/products/series/75024/4th-Generation-Intel-Core-i5-Processors
// 6. notes
//{T} C++ Templates
//{L} LLVM warnings and errors
//{G} Gcc warning and errors
//{S} C++ standard, ISO/IEC JTC1 SC22 WG14
// add 'n' to function and variable names of non compliant example if a same name exists. And sequence number also.
// add 'c' to function and variable names of compliant examples if a same name exists. And sequence number also.
// 7. source code
//{T}
/* The following code example is taken from the book
* "C++ Templates - The Complete Guide"
* by David Vandevoorde and Nicolai M. Josuttis, Addison-Wesley, 2002
*
* (C) Copyright David Vandevoorde and Nicolai M. Josuttis 2002.
* Permission to copy, use, modify, sell and distribute this software
* is granted provided this copyright notice appears in all copies.
* This software is provided "as is" without express or implied
* warranty, and with no claim as to its suitability for any purpose.
*/
// max.cpp
#include "max.hpp"
int main()
{
int i = 42;
std::cout << "max(7,i): " << ::max(7,i) << std::endl;
double f1 = 3.4;
double f2 = -6.7;
std::cout << "max(f1,f2): " << ::max(f1,f2) << std::endl;
std::string s1 = "mathematics";
std::string s2 = "math";
std::cout << "max(s1,s2): " << ::max(s1,s2) << std::endl;
std::cout << ru << std::endl << rus << std::endl;/// added
return EXIT_SUCCESS; /// added
}
/* The following code example is taken from the book
* "C++ Templates - The Complete Guide"
* by David Vandevoorde and Nicolai M. Josuttis, Addison-Wesley, 2002
*
* (C) Copyright David Vandevoorde and Nicolai M. Josuttis 2002.
* Permission to copy, use, modify, sell and distribute this software
* is granted provided this copyright notice appears in all copies.
* This software is provided "as is" without express or implied
* warranty, and with no claim as to its suitability for any purpose.
*/
template <typename T>
inline T const& max (T const& a, T const& b)
{
// if a < b then use b else use a
return a < b ? b : a;
}
編纂・実行結果(8. compile and go)
$ ../cppall.sh Te_ba_max
$ clang++ Te_ba_max.cpp -std=c++03 -stdlib=libc++ -Wall
max(7,i): 42
max(f1,f2): 3.4
max(s1,s2): mathematics
"C++ Template Part1: The Basics."
"Chapter 2. Function Templates 2.1 A First Look at Function Templates 2.1.2 Using the Template max.cpp "
$ clang++ Te_ba_max.cpp -std=c++11 -stdlib=libc++ -Wall
max(7,i): 42
max(f1,f2): 3.4
max(s1,s2): mathematics
"C++ Template Part1: The Basics."
"Chapter 2. Function Templates 2.1 A First Look at Function Templates 2.1.2 Using the Template max.cpp "
$ clang++ Te_ba_max.cpp -std=c++17 -stdlib=libc++ -Wall
max(7,i): 42
max(f1,f2): 3.4
max(s1,s2): mathematics
"C++ Template Part1: The Basics."
"Chapter 2. Function Templates 2.1 A First Look at Function Templates 2.1.2 Using the Template max.cpp "
$ g++-7 Te_ba_max.cpp -std=c++03 -Wall
max(7,i): 42
max(f1,f2): 3.4
max(s1,s2): mathematics
"C++ Template Part1: The Basics."
"Chapter 2. Function Templates 2.1 A First Look at Function Templates 2.1.2 Using the Template max.cpp "
$ g++-7 Te_ba_max.cpp -std=c++11 -Wall
max(7,i): 42
max(f1,f2): 3.4
max(s1,s2): mathematics
"C++ Template Part1: The Basics."
"Chapter 2. Function Templates 2.1 A First Look at Function Templates 2.1.2 Using the Template max.cpp "
$ g++-7 Te_ba_max.cpp -std=c++17 -Wall
max(7,i): 42
max(f1,f2): 3.4
max(s1,s2): mathematics
"C++ Template Part1: The Basics."
"Chapter 2. Function Templates 2.1 A First Look at Function Templates 2.1.2 Using the Template max.cpp "
検討事項(agenda)
動作確認。
Templateを使い、型に依存しない事項と型に依存した事項を洗い出しできるか。
参考資料(reference)
N4606 Working Draft 2016, ISO/IEC 14882, C++ standardのコード断片をコンパイルするためにしていること
https://qiita.com/kaizen_nagoya/items/a8d7ee2f2e29e76c19c1
コンパイル用shell script C版(clangとgcc)とC++版(clang++とg++)
https://qiita.com/kaizen_nagoya/items/74220c0577a512c2d7da
Clang/Clang++(LLVM) gcc/g++(GNU) コンパイラ警告等比較
https://qiita.com/kaizen_nagoya/items/9a82b958cc3aeef0403f
Qiitaに投稿するCのStyle例(暫定)
https://qiita.com/kaizen_nagoya/items/946df1528a6a1ef2bc0d
MISRA C++ 5-0-16
https://qiita.com/kaizen_nagoya/items/7df2d4e05db724752a74
C++ Templates Part1 BASICS Chapter 3. Class Templates 3.2 Use of Class Template Stack stack1test.cpp
https://qiita.com/kaizen_nagoya/items/cd5fc49106fad5a4e9ed
ISO/IEC TS 17961:2013 C Secure Coding Rules(1) All list(to be confirmed)
https://qiita.com/kaizen_nagoya/items/54e056195c4f11b850a1
C言語（C++)に対する誤解、曲解、無理解、爽快。
https://qiita.com/kaizen_nagoya/items/3f3992c9722c1cee2e3a
C Puzzle Bookの有り難み5つ、C言語規格及びCコンパイラの特性を認識
https://qiita.com/kaizen_nagoya/items/d89a48c1536a02ecdec9
'wchar.h' file not found で困った clang++ macOS
https://qiita.com/kaizen_nagoya/items/de15cd46d657517fac11
Open POSIX Test Suiteの使い方を調べはじめました
https://qiita.com/kaizen_nagoya/items/644d5e407f5faf96e6dc
MISRA-C 2012 Referenceに掲載している文献の入手可能性を確認
https://qiita.com/kaizen_nagoya/items/96dc8b125e462d5575bb
どうやって MISRA Example Suiteをコンパイルするか
https://qiita.com/kaizen_nagoya/items/fbdbff5ff696e2ca7f00
MISRA C まとめ #include
https://qiita.com/kaizen_nagoya/items/f1a79a7cbd281607c7c9
「C++完全理解ガイド」の同意できること上位10
https://qiita.com/kaizen_nagoya/items/aa5744e0c4a8618c7671
＜この記事は個人の過去の経験に基づく個人の感想です。現在所属する組織、業務とは関係がありません。＞
文書履歴(document history)
ver 0.10 初稿 20180429
ver. 0.02 ありがとう追記 20230413
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