std::bad_cast(3cxx)std::bad_cast(3cxx)NAME
std::bad_cast -
SYNOPSIS
Inherits std::exception.
Public Member Functions
virtual const char * what () const throw ()
Detailed Description
Thrown during incorrect typecasting.
If you attempt an invalid dynamic_cast expression, an instance of this class (or something derived from this class) is thrown.
Definition at line 190 of file typeinfo.
Member Function Documentation
virtual const char* std::bad_cast::what () const throw () [virtual]
Returns a C-style character string describing the general cause of the current error.
Reimplemented from std::exception.
Author
Generated automatically by Doxygen for libstdc++ from the source code.
libstdc++ Tue Nov 27 2012 std::bad_cast(3cxx)
Check Out this Related Man Page
std::locale::id(3) Library Functions Manual std::locale::id(3)NAME
std::locale::id -
SYNOPSIS
Public Member Functions
id ()
size_t _M_id () const throw ()
Friends
template<typename _Facet > bool has_facet (const locale &) throw ()
class locale
class locale::_Impl
template<typename _Facet > const _Facet & use_facet (const locale &)
Detailed Description
Facet ID class.
The ID class provides facets with an index used to identify them. Every facet class must define a public static member locale::id, or be
derived from a facet that provides this member, otherwise the facet cannot be used in a locale. The locale::id ensures that each class type
gets a unique identifier.
Definition at line 436 of file locale_classes.h.
Constructor & Destructor Documentation
std::locale::id::id () [inline]
Constructor.
Definition at line 467 of file locale_classes.h.
Friends And Related Function Documentation
template<typename _Facet > bool has_facet (const locale &) [friend]
Test for the presence of a facet.
has_facet tests the locale argument for the presence of the facet type provided as the template parameter. Facets derived from the facet
parameter will also return true.
Template Parameters:
_Facet The facet type to test the presence of.
Parameters:
__loc The locale to test.
Returns:
true if __loc contains a facet of type _Facet, else false.
Definition at line 104 of file locale_classes.tcc.
template<typename _Facet > const _Facet& use_facet (const locale &) [friend]
Return a facet.
use_facet looks for and returns a reference to a facet of type Facet where Facet is the template parameter. If has_facet(locale) is true,
there is a suitable facet to return. It throws std::bad_cast if the locale doesn't contain a facet of type Facet.
Template Parameters:
_Facet The facet type to access.
Parameters:
__loc The locale to use.
Returns:
Reference to facet of type Facet.
Exceptions:
std::bad_cast if __loc doesn't contain a facet of type _Facet.
Definition at line 132 of file locale_classes.tcc.
Author
Generated automatically by Doxygen for libstdc++ from the source code.
libstdc++ Tue Jun 10 2014 std::locale::id(3)
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