Trait glib::clone::Upgrade

pub trait Upgrade where
    Self: Sized, {
    type Strong;
    fn upgrade(&self) -> Option<Self::Strong>;
}

Trait for generalizing upgrading a weak reference to a strong reference.

Associated Types

type Strong

Strong reference type.

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Required methods

fn upgrade(&self) -> Option<Self::Strong>

Try upgrading a weak reference to a strong reference.

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Implementations on Foreign Types

impl<T> Upgrade for Weak<T>

type Strong = Arc<T>

fn upgrade(&self) -> Option<Self::Strong>

impl<T> Upgrade for Weak<T>

type Strong = Rc<T>

fn upgrade(&self) -> Option<Self::Strong>

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Implementors

impl<T: Downgrade + ObjectType> Upgrade for WeakRef<T>

type Strong = T

fn upgrade(&self) -> Option<Self::Strong>

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