Trait glib::clone::Upgrade

[+] Show declaration

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

[−] Expand description

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

Associated Types

type Strong[−]

Strong reference type.

Required methods

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

Try upgrading a weak reference to a strong reference.

Implementations on Foreign Types

impl<T> Upgrade for Weak<T>[−]

[+] Show hidden undocumented items

type Strong = Arc<T>

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

impl<T> Upgrade for Weak<T>[−]

[+] Show hidden undocumented items

type Strong = Rc<T>

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

Implementors

impl<T: Downgrade + ObjectType> Upgrade for WeakRef<T>[−]

[+] Show hidden undocumented items

type Strong = T

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