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gtype: Add g_type_interface_instantiable_prerequisite()

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There is (at most) a single GType that is instantiable and a
prerequisite for an interface. This function returns that type.

This type is necessary in particular when dealing with GValues because a
GValue contains an instance of a type.
This commit is contained in:
Benjamin Otte
2019-11-25 19:40:39 +01:00
parent ebec0dd359
commit eb20dec144
4 changed files with 50 additions and 0 deletions
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3
gobject/gtype.h
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@@ -1304,6 +1304,9 @@ void g_type_interface_add_prerequisite (GType interface_type,
GLIB_AVAILABLE_IN_ALL
GType*g_type_interface_prerequisites (GType interface_type,
guint *n_prerequisites);
GLIB_AVAILABLE_IN_2_64
GType g_type_interface_instantiable_prerequisite
(GType interface_type);
GLIB_DEPRECATED_IN_2_58
void g_type_class_add_private (gpointer g_class,
gsize private_size);