C++ STL：包括所有库？

Question

How to include all the libraries of stl in my c++ code rather than individually including them. For example -

#include <queue>
#include <containers> 

A simple way to include all of them. Please help ?

Answer 1

You can't but you can just make a list and put them in a header with a header guard ofc.

// C++ Full Standard Header Include
#include <cstdlib>
#include <csignal>
#include <csetjmp>
#include <cstdarg>
#include <typeinfo>
#include <typeindex>
#include <type_traits>
#include <bitset>
#include <functional>
#include <utility>
#include <ctime>
#include <chrono>
#include <cstddef>
#include <initializer_list>
#include <tuple>
#include <new>
#include <memory>
#include <scoped_allocator>
#include <climits>
#include <cfloat>
#include <cstdint>
#include <cinttypes>
#include <limits>
#include <exception>
#include <stdexcept>
#include <cassert>
#include <system_error>
#include <cerrno>
#include <cctype>
#include <cwctype>
#include <cstring>
#include <cwstring>
#include <cwchar>
#include <cuchar>
#include <string>
#include <array>
#include <vector>
#include <deque>
#include <list>
#include <forward_list>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <stack>
#include <queue>
#include <algorithm>
#include <iterator>
#include <cmath>
#include <complex>
#include <valarray>
#include <random>
#include <numeric>
#include <ratio>
#include <cfenv>
#include <iosfwd>
#include <ios>
#include <istream>
#include <ostream>
#include <iostream>
#include <fstream>
#include <sstream>
#include <strstream>
#include <iomanip>
#include <streambuf>
#include <cstdio>
#include <locale>
#include <clocale>
#include <codecvt>
#include <regex>
#include <atomic>
#include <thread>
#include <mutex>
#include <future>
#include <condition_variable>
#include <ciso646>
#include <ccomplex>
#include <ctgmath>
#include <cstdalign>
#include <cstdbool>

That should be the full list :) ( C++11 has to be active too ) You might want to remove the ones that are deprecated ( shouldn't be many / you will get a warning anyway ) and the ones you don't have because they're special / old / new

Answer 2

#include <bits/stdc++.h>

这个库包括大多数 STL 头文件（尤其是容器）

Answer 3

Preferably you should include only those header files you need because when preprocessor goes through your source file it would replace all header files with there actual contents. So , always try to minimize the use of headers in your program...

Answer 4

There is no way and no need to do it in most cases. If you have more than 1 c++ file you could create header file which includes everything what you need and include this single header in all your c++ files - this approach also helps to use precompiled headers.

Answer 5

libstdc++ documents a header file called stdc++.h which includes most of (not all) the standard headers based on the language dialect (for example, neither libstdc++ or libc++ seem to implement <cuchar> ). The page gives instructions on how to create a precompiled header from this.

As far as I know, libc++ doesn't have stdc++.h .

In Visual Studio C++, the canonical precompiled header is stdafx.h . You can take the contents of stdc++.h and copy/paste it over if you wish. You will have to modify the #ifdef directives which check the language dialect. In MSVC, __cplusplus seems to defined to something useless like 199711 . _MSC_VER may be of use in determining the status of C++11 features.

To use it on GCC, #include <bits/stdc++.h> .

Answer 6

There isn't an easy, durable way to #include everything.

Even doing the obvious thing, as has been suggested , doesn't really work. The STL is updated every three years--libraries occasionally get deprecated/removed, and new ones get added all the time--and the list given in that answer is already quite obsolete. Furthermore, even if this could be easily done it's hard to think of a situation where it would improve your code. Including unneeded libraries bloats your executable size and, as I explain elsewhere , slows compilation time. It also makes your code confusing and therefore harder to maintain.

Compile time, executable size, and maintainability are coding considerations that inexperienced programmers often overlook in the rush to write code as soon as possible. Inexperienced programmers are also sometimes intimidated by the C++ STL and don't know where to start. I don't want to make assumptions, but I suspect your question is motivated by a combination of these two things.

If that's the case, remember that learning your away around the STL--what it provides, what it doesn't, what its limitations are, how it's organized, etc--is an important and unavoidable step to mastering any language. Fortunately, there are lots of resources to help you. The Core Guidelines and the ISOCPP FAQ are written by the language's developers (largely with new C++ users in mind) and detail the broad strokes of the language. There are many excellent books available, too: I particularly recommend Stroustrup's Programming: Principles and Practices Using C++ . If you have a narrower question (about, say, what STL functions can sort iterable containers), consult cppreference . On sites like leetcode you can practice what you've learned on good programming problems.