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C++ Locale Library - use_facet
Description
It is used to access facet of locale and returns a reference to facet Facet of locale loc. The function has_facet can be used to check if a locale has a particular facet present before attempting to use it with this function.
Declaration
Following is the declaration for std::use_facet.
template <class Facet> const Facet& use_facet (const locale& loc);
Parameters
loc − It is a locale object.
Return Value
It returns a reference to facet Facet of locale loc.
Exceptions
Strong guarantee − if an exception is thrown, there are no changes in loc.
Data races
It has accessed by Argument loc, and the returned object may be used to access facet object.
locale.htm
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