# std::money_base

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< cpp‎ | locale

Defined in header `<locale>` |  |
class money_base; |  |

The class std::money_base provides constants which are inherited and used by the std::moneypunct, std::money_get and std::money_put facets.

### Member types

Member type | Definition
enum part { none, space, symbol, sign, value }; | unscoped enumeration type
struct pattern { char field[4]; }; | the monetary format type

Enumeration constant | Definition
`none` | whitespace is permitted but not required except in the last position, where whitespace is not permitted
`space` | one or more whitespace characters are required
`symbol` | the sequence of characters returned by moneypunct::curr_symbol is required
`sign` | the first of the characters returned by moneypunct::positive_sign or moneypunct::negative_sign is required
`value` | the absolute numeric monetary value is required

### Notes

The monetary format is an array of four chars convertible to std::money_base::part. In that sequence, each of `symbol`, `sign`, and `value` appears exactly once, and either `space` or `none` appears in the remaining position. The value `none`, if present, is not first; the value `space`, if present, is neither first nor last.

The default format, returned by the standard specializations of std::moneypunct is {symbol, sign, none, value}

### See also

moneypunct | defines monetary formatting parameters used by std::money_get and std::money_put (class template)
money_get | parses and constructs a monetary value from an input character sequence (class template)
money_put | formats a monetary value for output as a character sequence (class template)

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