Standard library header <iomanip>

 

C++

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Standard library

Standard library headers

Named requirements

Feature test macros (C++20)

Language support library

Concepts library (C++20)

Diagnostics library

Memory management library

Metaprogramming library (C++11)

General utilities library

Containers library

Iterators library

Ranges library (C++20)

Algorithms library

Strings library

Text processing library

Numerics library

Date and time library

Input/output library

Filesystem library (C++17)

Concurrency support library (C++11)

Execution control library (C++26)

Technical specifications

Symbols index

External libraries

 

Standard library headers

Language support <cfloat> <climits> <compare> (C++20) <contracts> (C++26) <coroutine> (C++20) <csetjmp> <csignal> <cstdarg> <cstddef> <cstdint> (C++11) <cstdlib> <exception> <initializer_list> (C++11)    <limits> <new> <source_location> (C++20) <stdfloat> (C++23) <typeinfo> <version> (C++20) Concepts <concepts> (C++20) Diagnostics <cassert> <cerrno> <debugging> (C++26) <stacktrace> (C++23) <stdexcept> <system_error> (C++11) Memory management <memory> <memory_resource> (C++17) <scoped_allocator> (C++11) Metaprogramming <type_traits> (C++11) <ratio> (C++11)

General utilities <any> (C++17) <bitset> <bit> (C++20) <charconv> (C++17) <expected> (C++23) <format> (C++20) <functional> <optional> (C++17) <stdbit.h> (C++26) <tuple> (C++11) <typeindex> (C++11) <utility> <variant> (C++17) Containers <array> (C++11) <deque> <flat_map> (C++23) <flat_set> (C++23) <forward_list> (C++11) <hive> (C++26) <inplace_vector> (C++26)    <list> <map> <mdspan> (C++23) <queue> <set> <span> (C++20) <stack> <unordered_map> (C++11) <unordered_set> (C++11) <vector> Iterators <iterator> Ranges <generator> (C++23) <ranges> (C++20)

Algorithms <algorithm> <numeric> Strings <cctype> <cstring> <cuchar> (C++11) <cwchar> <cwctype> <string_view> (C++17) <string> Text processing <clocale> <codecvt> (C++11/17/26*) <locale> <regex> (C++11) <text_encoding> (C++26)    Numerics <cfenv> (C++11) <cmath> <complex> <linalg> (C++26) <numbers> (C++20) <random> (C++11) <simd> (C++26) <stdckdint.h> (C++26) <valarray> Time <chrono> (C++11) <ctime> C compatibility <ccomplex> (C++11/17/20*) <ciso646> (until C++20) <cstdalign> (C++11/17/20*) <cstdbool> (C++11/17/20*) <ctgmath> (C++11/17/20*)

Input/output <cinttypes> (C++11) <cstdio> <filesystem> (C++17) <fstream> <iomanip> <iosfwd> <iostream> <ios> <istream> <ostream> <print> (C++23) <spanstream> (C++23) <sstream> <streambuf> <strstream> (C++98/26*) <syncstream> (C++20) Concurrency support <atomic> (C++11) <barrier> (C++20) <condition_variable> (C++11) <future> (C++11) <hazard_pointer> (C++26) <latch> (C++20) <mutex> (C++11) <rcu> (C++26) <semaphore> (C++20) <shared_mutex> (C++14) <stdatomic.h> (C++23) <stop_token> (C++20) <thread> (C++11) Execution support <execution> (C++17)

 

See More

This header is part of the Input/output library.

Functions
resetiosflags	clears the specified ios_base flags (function)
setiosflags	sets the specified ios_base flags (function)
setbase	changes the base used for integer I/O (function)
setfill	changes the fill character (function template)
setprecision	changes floating-point precision (function)
setw	changes the width of the next input/output field (function)
get_money (C++11)	parses a monetary value (function template)
put_money (C++11)	formats and outputs a monetary value (function template)
get_time (C++11)	parses a date/time value of specified format (function template)
put_time (C++11)	formats and outputs a date/time value according to the specified format (function template)
quoted (C++14)	inserts and extracts quoted strings with embedded spaces (function template)

Synopsis

namespace std {
  /*unspecified*/ resetiosflags(ios_base::fmtflags mask);
  /*unspecified*/ setiosflags  (ios_base::fmtflags mask);
  /*unspecified*/ setbase(int base);
  template<class CharT> /*unspecified*/ setfill(CharT c);
  /*unspecified*/ setprecision(int n);
  /*unspecified*/ setw(int n);
  template<class MoneyT> /*unspecified*/ get_money(MoneyT& mon, bool intl = false);
  template<class MoneyT> /*unspecified*/ put_money(const MoneyT& mon, bool intl = false);
  template<class CharT> /*unspecified*/ get_time(tm* tmb, const CharT* fmt);
  template<class CharT> /*unspecified*/ put_time(const tm* tmb, const CharT* fmt);

  template<class CharT>
    /*unspecified*/ quoted(const CharT* s, CharT delim = CharT('"'),
                           CharT escape = CharT('\\'));

  template<class CharT, class Traits, class Allocator>
    /*unspecified*/ quoted(const basic_string<CharT, Traits, Allocator>& s,
               CharT delim = CharT('"'), CharT escape = CharT('\\'));

  template<class CharT, class Traits, class Allocator>
    /*unspecified*/ quoted(basic_string<CharT, Traits, Allocator>& s,
               CharT delim = CharT('"'), CharT escape = CharT('\\'));

  template<class CharT, class Traits>
    /*unspecified*/ quoted(basic_string_view<CharT, Traits> s,
               CharT delim = CharT('"'), CharT escape = CharT('\\'));
}