std::put_money

 

C++

Compiler support

Freestanding and hosted

Language

Standard library

Standard library headers

Named requirements

Feature test macros (C++20)

Language support library

Concepts library (C++20)

Metaprogramming library (C++11)

Diagnostics library

General utilities library

Strings library

Containers library

Iterators library

Ranges library (C++20)

Algorithms library

Numerics library

Localizations library

Input/output library

Filesystem library (C++17)

Regular expressions library (C++11)

Concurrency support library (C++11)

Execution support library (C++26)

Technical specifications

Symbols index

External libraries

 

Input/output library

I/O manipulators

Print functions (C++23)

C-style I/O

Buffers

basic_streambuf

basic_filebuf

basic_stringbuf

basic_spanbuf (C++23)

strstreambuf (C++98/26*)

basic_syncbuf (C++20)

Streams

Abstractions

ios_base

basic_ios

basic_istream

basic_ostream

basic_iostream

File I/O

basic_ifstream

basic_ofstream

basic_fstream

String I/O

basic_istringstream

basic_ostringstream

basic_stringstream

Array I/O

basic_ispanstream (C++23)

basic_ospanstream (C++23)

basic_spanstream (C++23)

istrstream (C++98/26*)

ostrstream (C++98/26*)

strstream (C++98/26*)

Synchronized Output

basic_osyncstream (C++20)

Types

streamoff

streamsize

fpos

Error category interface

iostream_category (C++11)

io_errc (C++11)

 

Input/output manipulators

Floating-point formatting
showpointnoshowpoint setprecision	fixedscientifichexfloatdefaultfloat (C++11)(C++11)
Integer formatting
setbase showbasenoshowbase	dechexoct
Boolean formatting
boolalphanoboolalpha
Field width and fill control
setfill setw	internalleftright
Other formatting
showposnoshowpos	uppercasenouppercase
Whitespace processing
ws ends	skipwsnoskipws
Output flushing
flush endl flush_emit (C++20)	unitbufnounitbuf emit_on_flushnoemit_on_flush (C++20)(C++20)
Status flags manipulation
resetiosflags	setiosflags
Time and money I/O
get_money (C++11) get_time (C++11)	put_money (C++11) put_time (C++11)
Quoted manipulator
quoted (C++14)

 

Defined in header <iomanip>
template< class MoneyT > /*unspecified*/ put_money( const MoneyT& mon, bool intl = false );		(since C++11)

When used in an expression out << put_money(mon, intl), converts the monetary value mon to its character representation as specified by the std::money_put facet of the locale currently imbued in out.

The insertion operation in out << put_money(mon, intl) behaves as a FormattedOutputFunction.

Parameters

mon	-	a monetary value, either long double or std::basic_string
intl	-	use international currency strings if true, use currency symbols otherwise

Return value

An object of unspecified type such that

• if out is an object of type std::basic_ostream<CharT, Traits>, the expression out << put_money(mon, intl)
  • has type std::basic_ostream<CharT, Traits>&
  • has value out
  • behaves as a FormattedOutputFunction that calls f(out, mon, intl)

where the function f is defined as:

template<class CharT, class Traits, class MoneyT>
void f(std::basic_ios<CharT, Traits>& str, const MoneyT& mon, bool intl)
{
    using Iter = std::ostreambuf_iterator<CharT, Traits>;
    using MoneyPut = std::money_put<CharT, Iter>;
 
    const MoneyPut& mp = std::use_facet<MoneyPut>(str.getloc());
    const Iter end = mp.put(Iter(str.rdbuf()), intl, str, str.fill(), mon);
 
    if (end.failed())
        str.setstate(std::ios_base::badbit);
}

Example

Run this code

#include <iomanip>
#include <iostream>
 
int main()
{
    long double mon = 123.45; // or std::string mon = "123.45";
 
    std::cout.imbue(std::locale("en_US.UTF-8"));
    std::cout << std::showbase
              << "en_US: " << std::put_money(mon)
              << " or " << std::put_money(mon, true) << '\n';
 
    std::cout.imbue(std::locale("ru_RU.UTF-8"));
    std::cout << "ru_RU: " << std::put_money(mon)
              << " or " << std::put_money(mon, true) << '\n';
 
    std::cout.imbue(std::locale("ja_JP.UTF-8"));
    std::cout << "ja_JP: " << std::put_money(mon)
              << " or " << std::put_money(mon, true) << '\n';
}

Possible output:

en_US: $1.23 or USD  1.23
ru_RU: 1.23 руб or 1.23 RUB 
ja_JP: ￥123 or JPY  123

See also

money_put	formats a monetary value for output as a character sequence (class template)
get_money (C++11)	parses a monetary value (function template)