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include/boost/blank.hpp  view on Meta::CPAN

inline bool operator<(const blank&, const blank&)
{
    return false;
}

inline bool operator>(const blank&, const blank&)
{
    return false;
}

// streaming support
//
#if !defined(BOOST_NO_IOSTREAM)

BOOST_TEMPLATED_STREAM_TEMPLATE(E,T)
inline BOOST_TEMPLATED_STREAM(ostream, E,T)& operator<<(
      BOOST_TEMPLATED_STREAM(ostream, E,T)& out
    , const blank&
    )
{
    // (output nothing)

include/boost/logic/tribool_io.hpp  view on Meta::CPAN

template<>
inline std::basic_string<wchar_t> default_true_name<wchar_t>()
{ return L"true"; }
#  endif
#endif

/**
 * \brief Returns a string containing the default name for the indeterminate
 * value of a tribool with the given character type T.
 *
 * This routine is used by the input and output streaming operators
 * for tribool when there is no locale support or the stream's locale
 * does not contain the indeterminate_name facet.
 */
template<typename T> std::basic_string<T> get_default_indeterminate_name();

/// Returns the character string "indeterminate".
template<>
inline std::basic_string<char> get_default_indeterminate_name<char>()
{ return "indeterminate"; }