Reference C Library IOstream Library Strings library STL Containers STL Algorithms Miscellaneous Miscellaneous complex exception functional iterator limits locale memory new numeric stdexcept typeinfo utility valarray locale has_facet isalnum isalpha iscntrl isdigit isgraph islower isprint ispunct isspace isupper isxdigit locale tolower toupper use_facet standard facets: codecvt codecvt_base codecvt_byname collate collate_byname ctype ctype_base ctype_byname messages messages_base messages_byname moneypunct moneypunct_byname money_base money_get money_put numpunct numpunct_byname num_get num_put time_base time_get time_get_byname time_put time_put_byname

use_facet function template <locale> template <class Facet> const Facet& use_facet ( const locale& loc ); Access facet of locale Returns a reference to facet Facet of locale loc. If the facet is not present in the locale, the function throws a bad_cast exception. The function has_facet can be used to check if a locale has a particular facet present before attempting to use it. Parameters loc locale object. The template parameter Facet shall be a facet type. A facet type is a type publicly derived, directly or indirectly, from locale::facet with a static member id of type locale::id, such as the standard facets collate, codecvt, ctype, messages, moneypunct, money_get, money_put, numpunct, num_get, num_put, time_get and time_put. Return type A reference to the facet object. See also has_facet Check if locale has facet (function template) locale::facet Locale facet (public member class)

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