wfl::variant_iterator Class Reference

Iterator class for the variant. More...

#include <variant.hpp>

Public Types
typedef variant	value_type
typedef std::bidirectional_iterator_tag	iterator_category
typedef variant &	reference
typedef variant *	pointer
typedef int	difference_type

Public Member Functions
	variant_iterator ()
	Constructor for a no-op iterator. More...
	variant_iterator (const variant_value_base *value, const utils::any &iter)
	Constructor for a generic iterator. More...
variant	operator* () const
variant_iterator &	operator++ ()
variant_iterator	operator++ (int)
variant_iterator &	operator-- ()
variant_iterator	operator-- (int)
bool	operator== (const variant_iterator &that) const
bool	operator!= (const variant_iterator &that) const

Private Attributes
formula_variant::type	type_
const variant_value_base *	container_
utils::any	iter_

Detailed Description

Iterator class for the variant.

Depending on the type_ the list_iterator_ and the map_iterator_ are a valid iterator or singular. Since most actions on singular iterators result in Undefined Behavior care should be taken when copying the list_iterator_ and map_iterator_.

Definition at line 186 of file variant.hpp.

Member Typedef Documentation

difference_type

typedef int wfl::variant_iterator::difference_type

Definition at line 193 of file variant.hpp.

iterator_category

typedef std::bidirectional_iterator_tag wfl::variant_iterator::iterator_category

Definition at line 190 of file variant.hpp.

pointer

typedef variant* wfl::variant_iterator::pointer

Definition at line 192 of file variant.hpp.

reference

typedef variant& wfl::variant_iterator::reference

Definition at line 191 of file variant.hpp.

value_type

typedef variant wfl::variant_iterator::value_type

Definition at line 189 of file variant.hpp.

Constructor & Destructor Documentation

variant_iterator() [1/2]

wfl::variant_iterator::variant_iterator

(

)

Constructor for a no-op iterator.

Definition at line 60 of file variant.cpp.

variant_iterator() [2/2]

wfl::variant_iterator::variant_iterator	(	const variant_value_base *	value,
		const utils::any &	iter
	)

Constructor for a generic iterator.

Precondition

iter is not singular.

Parameters

value	A pointer to a variant value representing the container.
iter	An underlying iterator for the underlying container.

Definition at line 67 of file variant.cpp.

Member Function Documentation

operator!=()

bool wfl::variant_iterator::operator!=

(

const variant_iterator &

that

)

const

Definition at line 134 of file variant.cpp.

References operator==().

operator*()

variant wfl::variant_iterator::operator*

(

)

const

Definition at line 74 of file variant.cpp.

References container_, wfl::variant_value_base::deref_iterator(), and iter_.

operator++() [1/2]

variant_iterator & wfl::variant_iterator::operator++

(

)

Definition at line 83 of file variant.cpp.

References container_, iter_, and wfl::variant_value_base::iterator_inc().

operator++() [2/2]

variant_iterator wfl::variant_iterator::operator++

(

int

)

Definition at line 92 of file variant.cpp.

References container_, iter_, and wfl::variant_value_base::iterator_inc().

operator--() [1/2]

variant_iterator & wfl::variant_iterator::operator--

(

)

Definition at line 102 of file variant.cpp.

References container_, iter_, and wfl::variant_value_base::iterator_dec().

operator--() [2/2]

variant_iterator wfl::variant_iterator::operator--

(

int

)

Definition at line 111 of file variant.cpp.

References container_, iter_, and wfl::variant_value_base::iterator_dec().

operator==()

bool wfl::variant_iterator::operator==

(

const variant_iterator &

that

)

const

Definition at line 121 of file variant.cpp.

References container_, iter_, and wfl::variant_value_base::iterator_equals().

Referenced by operator!=().

Member Data Documentation

container_

const variant_value_base* wfl::variant_iterator::container_

private

Definition at line 219 of file variant.hpp.

Referenced by operator*(), operator++(), operator--(), and operator==().

iter_

utils::any wfl::variant_iterator::iter_

private

Definition at line 220 of file variant.hpp.

Referenced by operator*(), operator++(), operator--(), and operator==().

type_

formula_variant::type wfl::variant_iterator::type_

private

Definition at line 218 of file variant.hpp.

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The documentation for this class was generated from the following files:

• formula/variant.hpp
• formula/variant.cpp