Struct gstreamer::ObjectClass

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#[repr(C)]pub struct ObjectClass(_);

Trait Implementations

impl Debug for ObjectClass[+]

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fn fmt(&self, f: &mut Formatter<'_>) -> Result[−]

Formats the value using the given formatter.

impl Deref for ObjectClass[+]

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type Target = <Object as ObjectType>::RustClassType

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target[−]

Dereferences the value.

impl DerefMut for ObjectClass[+]

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fn deref_mut(&mut self) -> &mut Self::Target[−]

Mutably dereferences the value.

impl IsClassFor for ObjectClass[+]

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type Instance = Object

Corresponding Rust instance type for this class.

fn get_type(&self) -> Type[−]

Get the type id for this class.

fn upcast_ref<U>(&self) -> &U where
    U: IsClassFor,
    Self::Instance: IsA<<U as IsClassFor>::Instance>,
    <U as IsClassFor>::Instance: ObjectType, [−]

Casts this class to a reference to a parent type's class.

fn upcast_ref_mut<U>(&mut self) -> &mut U where
    U: IsClassFor,
    Self::Instance: IsA<<U as IsClassFor>::Instance>,
    <U as IsClassFor>::Instance: ObjectType, [−]

Casts this class to a mutable reference to a parent type's class.

fn downcast_ref<U>(&self) -> Option<&U> where
    U: IsClassFor,
    <U as IsClassFor>::Instance: IsA<Self::Instance>,
    Self::Instance: ObjectType, [−]

Casts this class to a reference to a child type's class or fails if this class is not implementing the child class.

fn downcast_ref_mut<U>(&mut self) -> Option<&mut U> where
    U: IsClassFor,
    <U as IsClassFor>::Instance: IsA<Self::Instance>,
    Self::Instance: ObjectType, [−]

Casts this class to a mutable reference to a child type's class or fails if this class is not implementing the child class.

fn from_type(type_: Type) -> Option<ClassRef<Self>>[−]

Gets the class struct corresponding to type_.

impl Send for ObjectClass

impl Sync for ObjectClass