Standard library header <ostream>
From cppreference.net
이 헤더는 Input/output 라이브러리의 일부입니다.
클래스 |
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주어진 추상 장치(
std::basic_streambuf
)를 감싸고
고수준 출력 인터페이스를 제공함 (클래스 템플릿) |
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| std::ostream |
std::
basic_ostream
<
char
>
(typedef) |
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| std::wostream |
std::
basic_ostream
<
wchar_t
>
(typedef) |
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함수 |
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문자 데이터를 삽입하거나 rvalue 스트림에 삽입함
(함수 템플릿) |
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(C++23)
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인수의
형식화된
표현을 출력함
(함수 템플릿) |
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(C++23)
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인수의
형식화된
표현을 출력하고
'
\n
'
을 추가함
(함수 템플릿) |
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(C++23)
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타입 삭제된
인수 표현을 사용하여
유니코드 인식 출력을 수행함 (함수) |
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(C++23)
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타입 삭제된
인수 표현을 사용하여
문자 데이터를 출력함 (함수) |
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조작자 |
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'
\n
'
를 출력하고 출력 스트림을 플러시함
(함수 템플릿) |
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'
\0
'
를 출력함
(함수 템플릿) |
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출력 스트림을 플러시함
(함수 템플릿) |
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(C++20)
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스트림의
basic_syncbuf
가 플러시 시
방출하는지 여부를 제어함 (함수 템플릿) |
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(C++20)
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스트림을 플러시하고
basic_syncbuf
를
사용 중인 경우 내용을 방출함 (함수 템플릿) |
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시놉시스
namespace std { template<class CharT, class Traits = char_traits<CharT>> class basic_ostream; using ostream = basic_ostream<char>; using wostream = basic_ostream<wchar_t>; template<class CharT, class Traits> basic_ostream<CharT, Traits>& endl(basic_ostream<CharT, Traits>& os); template<class CharT, class Traits> basic_ostream<CharT, Traits>& ends(basic_ostream<CharT, Traits>& os); template<class CharT, class Traits> basic_ostream<CharT, Traits>& flush(basic_ostream<CharT, Traits>& os); template<class CharT, class Traits> basic_ostream<CharT, Traits>& emit_on_flush(basic_ostream<CharT, Traits>& os); template<class CharT, class Traits> basic_ostream<CharT, Traits>& noemit_on_flush(basic_ostream<CharT, Traits>& os); template<class CharT, class Traits> basic_ostream<CharT, Traits>& flush_emit(basic_ostream<CharT, Traits>& os); template<class Ostream, class T> Ostream&& operator<<(Ostream&& os, const T& x); // 출력 함수들 template<class... Args> void print(ostream& os, format_string<Args...> fmt, Args&&... args); template<class... Args> void println(ostream& os, format_string<Args...> fmt, Args&&... args); void println(ostream& os); void vprint_unicode(ostream& os, string_view fmt, format_args args); void vprint_nonunicode(ostream& os, string_view fmt, format_args args); }
클래스 템플릿 std::basic_ostream
namespace std { template<class CharT, class Traits = char_traits<CharT>> class basic_ostream : virtual public basic_ios<CharT, Traits> { public: // types (inherited from basic_ios) using char_type = CharT; using int_type = typename Traits::int_type; using pos_type = typename Traits::pos_type; using off_type = typename Traits::off_type; using traits_type = Traits; // 생성자/소멸자 explicit basic_ostream(basic_streambuf<char_type, Traits>* sb); virtual ~basic_ostream(); // prefix/suffix class sentry; // 서식화된 출력 basic_ostream& operator<<(basic_ostream& (*pf)(basic_ostream&)); basic_ostream& operator<<(basic_ios<CharT, Traits>& (*pf)(basic_ios<CharT, Traits>&)); basic_ostream& operator<<(ios_base& (*pf)(ios_base&)); basic_ostream& operator<<(bool n); basic_ostream& operator<<(short n); basic_ostream& operator<<(unsigned short n); basic_ostream& operator<<(int n); basic_ostream& operator<<(unsigned int n); basic_ostream& operator<<(long n); basic_ostream& operator<<(unsigned long n); basic_ostream& operator<<(long long n); basic_ostream& operator<<(unsigned long long n); basic_ostream& operator<<(float f); basic_ostream& operator<<(double f); basic_ostream& operator<<(long double f); basic_ostream& operator<<(/*확장 부동 소수점 타입*/ f); basic_ostream& operator<<(const void* p); basic_ostream& operator<<(const volatile void* p); basic_ostream& operator<<(nullptr_t); basic_ostream& operator<<(basic_streambuf<char_type, Traits>* sb); // unformatted output basic_ostream& put(char_type c); basic_ostream& write(const char_type* s, streamsize n); basic_ostream& flush(); // 탐색 pos_type tellp(); basic_ostream& seekp(pos_type); basic_ostream& seekp(off_type, ios_base::seekdir); protected: // 복사/이동 생성자 basic_ostream(const basic_ostream&) = delete; basic_ostream(basic_ostream&& rhs); // assignment and swap basic_ostream& operator=(const basic_ostream&) = delete; basic_ostream& operator=(basic_ostream&& rhs); void swap(basic_ostream& rhs); }; // 문자 삽입자 template<class CharT, class Traits> basic_ostream<CharT, Traits>& operator<<(basic_ostream<CharT, Traits>&, CharT); template<class CharT, class Traits> basic_ostream<CharT, Traits>& operator<<(basic_ostream<CharT, Traits>&, char); template<class Traits> basic_ostream<char, Traits>& operator<<(basic_ostream<char, Traits>&, char); template<class Traits> basic_ostream<char, Traits>& operator<<(basic_ostream<char, Traits>&, signed char); template<class Traits> basic_ostream<char, Traits>& operator<<(basic_ostream<char, Traits>&, unsigned char); template<class Traits> basic_ostream<char, Traits>& operator<<(basic_ostream<char, Traits>&, wchar_t) = delete; template<class Traits> basic_ostream<char, Traits>& operator<<(basic_ostream<char, Traits>&, char8_t) = delete; template<class Traits> basic_ostream<char, Traits>& operator<<(basic_ostream<char, Traits>&, char16_t) = delete; template<class Traits> basic_ostream<char, Traits>& operator<<(basic_ostream<char, Traits>&, char32_t) = delete; template<class Traits> basic_ostream<wchar_t, Traits>& operator<<(basic_ostream<wchar_t, Traits>&, char8_t) = delete; template<class Traits> basic_ostream<wchar_t, Traits>& operator<<(basic_ostream<wchar_t, Traits>&, char16_t) = delete; template<class Traits> basic_ostream<wchar_t, Traits>& operator<<(basic_ostream<wchar_t, Traits>&, char32_t) = delete; template<class CharT, class Traits> basic_ostream<CharT, Traits>& operator<<(basic_ostream<CharT, Traits>&, const CharT*); template<class CharT, class Traits> basic_ostream<CharT, Traits>& operator<<(basic_ostream<CharT, Traits>&, const char*); template<class Traits> basic_ostream<char, Traits>& operator<<(basic_ostream<char, Traits>&, const char*); template<class Traits> basic_ostream<char, Traits>& operator<<(basic_ostream<char, Traits>&, const signed char*); template<class Traits> basic_ostream<char, Traits>& operator<<(basic_ostream<char, Traits>&, const unsigned char*); template<class Traits> basic_ostream<char, Traits>& operator<<(basic_ostream<char, Traits>&, const wchar_t*) = delete; template<class Traits> basic_ostream<char, Traits>& operator<<(basic_ostream<char, Traits>&, const char8_t*) = delete; template<class Traits> basic_ostream<char, Traits>& operator<<(basic_ostream<char, Traits>&, const char16_t*) = delete; template<class Traits> basic_ostream<char, Traits>& operator<<(basic_ostream<char, Traits>&, const char32_t*) = delete; template<class Traits> basic_ostream<wchar_t, Traits>& operator<<(basic_ostream<wchar_t, Traits>&, const char8_t*) = delete; template<class Traits> basic_ostream<wchar_t, Traits>& operator<<(basic_ostream<wchar_t, Traits>&, const char16_t*) = delete; template<class Traits> basic_ostream<wchar_t, Traits>& operator<<(basic_ostream<wchar_t, Traits>&, const char32_t*) = delete; }
클래스 std::basic_ostream::sentry
namespace std { template<class CharT, class Traits> class basic_ostream<CharT, Traits>::sentry { bool ok_; // 설명용 전용 public: explicit sentry(basic_ostream& os); ~sentry(); explicit operator bool() const { return ok_; } sentry(const sentry&) = delete; sentry& operator=(const sentry&) = delete; }; }