zorba::internal::ztd::has_insertion_operator_impl Namespace Reference

Classes
struct	any_t
	This dummy class is used to make the matching of the dummy operator<<() worse than the global operator<<(), if any. More...
class	has_insertion_operator
	The implementation class that can be used to determine whether a given type T has a global std::ostream& operator<<(std::ostream&,T const&) defined for it. More...
Typedefs
typedef char	no
typedef char	yes [2]
Functions
yes &	defined (std::ostream &)
	This function is matched only when there is a global operator<<() declared for type T because operator<<()'s return type is std::ostream&.
no	defined (no)
	This function is matched only when the dummy operator<<() is matched.
no	operator<< (std::ostream const &, any_t const &)
	This dummy operator is matched only when there is no global operator<<() otherwise declared for type T.

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Typedef Documentation

typedef char zorba::internal::ztd::has_insertion_operator_impl::no

Definition at line 90 of file ztd.h.

typedef char zorba::internal::ztd::has_insertion_operator_impl::yes[2]

Definition at line 91 of file ztd.h.

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Function Documentation

yes& zorba::internal::ztd::has_insertion_operator_impl::defined

(

std::ostream &

)

This function is matched only when there is a global operator<<() declared for type T because operator<<()'s return type is std::ostream&.

Returns:

Returns a yes& whose sizeof() equals sizeof(yes).

no zorba::internal::ztd::has_insertion_operator_impl::defined

(

no

)

This function is matched only when the dummy operator<<() is matched.

Returns:

Returns a no whose sizeof() equals sizeof(no).

no zorba::internal::ztd::has_insertion_operator_impl::operator<<	(	std::ostream const &	,
		any_t const &
	)

This dummy operator is matched only when there is no global operator<<() otherwise declared for type T.

Returns:

Returns a no that selects defined(no).