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CppIostreamH
Prefer to #include <iosfwd> when a forward declaration of a stream will suffice [3].
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CppIostreamH
(C++) iostream (header file)
C++ Standard header file [1]. iostream (short for 'Input Output Stream') contains the definitions of among others:
- include <iostream>
Prefer to #include <iosfwd> when a forward declaration of a stream will suffice [3].
C++ Library headers
From [1].- algorithm
- bitset
- complex
- deque
- exception
- fstream
- functional
- iomanip
- ios
- iosfwd
- iostream
- istream
- iterator
- limits
- list
- locale
- map
- memory
- new
- numeric
- ostream
- queue
- set
- sstream
- stack
- stdexcept
- streambuf
- string
- strstream
- typeinfo
- utility
- valarray
- vector
C++ Headers for C library facilities
From [2].- cassert
- cctype
- cerrno
- cfloat
- ciso646
- climits
- clocale
- cmath
- csetjmp
- csignal
- cstdarg
- cstddef
- cstdio
- cstdlib
- cstring
- ctime
- cwchar
- cwctype
References
- 1) C++ International Standard. ISO/IEC 14882. Second edition. Table 11.
- 2) C++ International Standard. ISO/IEC 14882. Second edition. Table 12.
- 3) Herb Sutter. Exceptional C++. 2000. ISBN: 0-201-61562-2. Item 26: Minimizing compile-time dependences: Prefer to #include <iosfwd> when a forward declaration of a stream will suffice.
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