| glibmm 2.84.0
    | 
Specialization of Variant containing a tuple. More...
#include <glibmm/variant.h>

| Public Types | |
| using | CppContainerType = std::tuple< Types... > | 
|  Public Types inherited from Glib::VariantContainerBase | |
| using | CType = GVariant * | 
| using | CppType = VariantContainerBase | 
| Public Member Functions | |
| Variant () | |
| Default constructor. | |
| Variant (GVariant *castitem, bool take_a_reference=false) | |
| GVariant constructor. | |
| template<class T > | |
| T | get_child (gsize index) const | 
| Gets a specific element from the tuple. | |
| template<class T > | |
| Variant< T > | get_child_variant (gsize index) const | 
| std::tuple< Types... > | get () const | 
| Gets the tuple of the Variant. | |
| VariantIter | get_iter () const | 
| Gets a VariantIter of the Variant. | |
|  Public Member Functions inherited from Glib::VariantContainerBase | |
| VariantContainerBase () | |
| Default constructor. | |
| VariantContainerBase (GVariant *castitem, bool take_a_reference=false) | |
| GVariant constructor. | |
| gsize | get_n_children () const | 
| Determines the number of children in a container Variant instance. | |
| void | get_child (VariantBase &child, gsize index=0) const | 
| Reads a child item out of this instance. | |
| VariantBase | get_child (gsize index=0) | 
| Reads a child item out of a container Variant instance. | |
| VariantBase | get_child (gsize index=0) const | 
| Reads a child item out of a container Variant instance. | |
| bool | get_maybe (VariantBase &maybe) const | 
| If this is a maybe-typed instance, try to extract its value. | |
|  Public Member Functions inherited from Glib::VariantBase | |
| VariantBase () | |
| Constructs an invalid object. | |
| VariantBase (GVariant *castitem, bool make_a_copy=false) | |
| VariantBase (const VariantBase &src) | |
| VariantBase & | operator= (const VariantBase &src) | 
| VariantBase (VariantBase &&other) noexcept | |
| VariantBase & | operator= (VariantBase &&other) noexcept | 
| ~VariantBase () noexcept | |
| void | swap (VariantBase &other) noexcept | 
| GVariant * | gobj () | 
| const GVariant * | gobj () const | 
| GVariant * | gobj_copy () const | 
| Provides access to the underlying C instance. The caller is responsible for freeing it. Use when directly setting fields in structs. | |
| operator bool () const | |
| Test whether the Variant has an underlying instance. | |
| void | init (const GVariant *cobject, bool take_a_reference=false) | 
| Replace the underlying GVariant. | |
| VariantType | get_type () const | 
| Determines the type of value. | |
| std::string | get_type_string () const | 
| Returns the type string of value. | |
| bool | is_floating () const | 
| Checks whether value has a floating reference count. | |
| bool | is_of_type (const VariantType & type) const | 
| Checks if a value has a type matching the provided type. | |
| bool | is_container () const | 
| Checks if value is a container. | |
| GVariantClass | classify () const | 
| Classifies value according to its top-level type. | |
| gsize | get_size () const | 
| Determines the number of bytes that would be required to store value with g_variant_store(). | |
| gconstpointer | get_data () const | 
| Returns a pointer to the serialized form of a Variant instance. | |
| Glib::RefPtr< const Glib::Bytes > | get_data_as_bytes () const | 
| Returns a pointer to the serialized form of a Variant instance. | |
| void | store (gpointer data) const | 
| Stores the serialized form of value at data. | |
| Glib::ustring | print (bool type_annotate=false) const | 
| Pretty-prints value in the format understood by g_variant_parse(). | |
| guint | hash () const | 
| Generates a hash value for a Variant instance. | |
| bool | equal (const VariantBase &other) const | 
| Checks if *this and other have the same type and value. | |
| bool | operator== (const VariantBase &other) const | 
| Checks if *this and other have the same type and value. | |
| bool | operator!= (const VariantBase &other) const | 
| Checks if *this and other have the same type and value. | |
| bool | operator< (const VariantBase &other) const =delete | 
| Ordering relational operators. | |
| bool | operator<= (const VariantBase &other) const =delete | 
| See operator<(). | |
| bool | operator> (const VariantBase &other) const =delete | 
| See operator<(). | |
| bool | operator>= (const VariantBase &other) const =delete | 
| See operator<(). | |
| void | get_normal_form (VariantBase &result) const | 
| Gets a VariantBase instance that has the same value as this variant and is trusted to be in normal form. | |
| bool | is_normal_form () const | 
| Checks if value is in normal form. | |
| void | byteswap (VariantBase &result) const | 
| Performs a byteswapping operation on the contents of this variant. | |
| bool | check_format_string (const std::string & format_string, bool copy_only=false) const | 
| Checks if calling g_variant_get() with format_string on value would be valid from a type-compatibility standpoint. | |
| template<typename ValueType > | |
| ValueType | get_dynamic () const | 
| Cast to a specific variant type and get the value. | |
| Static Public Member Functions | |
| static Variant< std::tuple< Types... > > | create (const std::tuple< Types... > &data) | 
| Creates a new Variant containing a tuple. | |
| static const VariantType & | variant_type () | 
| Gets the VariantType. | |
|  Static Public Member Functions inherited from Glib::VariantContainerBase | |
| static VariantContainerBase | create_tuple (const std::vector< VariantBase > &children) | 
| Create a tuple variant from a vector of its variant children. | |
| static VariantContainerBase | create_tuple (const VariantBase &child) | 
| Create a tuple variant with a single variant child. | |
| static VariantContainerBase | create_maybe (const VariantType &child_type, const VariantBase &child={}) | 
| Depending on if child is nullptr, either wraps child inside of a maybe container or creates a Nothing instance for the given type. | |
|  Static Public Member Functions inherited from Glib::VariantBase | |
| template<class V_CastTo > | |
| static V_CastTo | cast_dynamic (const VariantBase &v) | 
| Cast to a specific variant type. | |
| template<> | |
| VariantContainerBase | cast_dynamic (const VariantBase &v) | 
| Additional Inherited Members | |
|  Protected Attributes inherited from Glib::VariantBase | |
| GVariant * | gobject_ | 
|  Related Symbols inherited from Glib::VariantBase | |
| template<typename T > | |
| Variant< T > | create_variant (const T &data) | 
| Creates a Glib::Variant instance. | |
| void | swap (VariantBase &lhs, VariantBase &rhs) noexcept | 
| Glib::VariantBase | wrap (GVariant *object, bool take_copy=false) | 
| A Glib::wrap() method for this object. | |
Specialization of Variant containing a tuple.
| using Glib::Variant< std::tuple< Types... > >::CppContainerType = std::tuple<Types...> | 
| 
 | inline | 
Default constructor.
| 
 | inlineexplicit | 
GVariant constructor.
| castitem | The GVariant to wrap. | 
| take_a_reference | Whether to take an extra reference of the GVariant or not (not taking one could destroy the GVariant with the wrapper). | 
| 
 | static | 
| std::tuple< Types... > Glib::Variant< std::tuple< Types... > >::get | ( | ) | const | 
| T Glib::Variant< std::tuple< Types... > >::get_child | ( | gsize | index | ) | const | 
Gets a specific element from the tuple.
It is an error if index is greater than or equal to the number of elements in the tuple. See VariantContainerBase::get_n_children().
| index | The index of the element. | 
| std::out_of_range | 
| Variant< T > Glib::Variant< std::tuple< Types... > >::get_child_variant | ( | gsize | index | ) | const | 
| VariantIter Glib::Variant< std::tuple< Types... > >::get_iter | ( | ) | const | 
| 
 | static |