pub struct AppContextWeak { /* private fields */ }Expand description
A version of AppContext that holds a Weak pointer to the inner context. Useful for
preventing reference cycles between things that are held in the AppContext and also
need a reference to the AppContext; for example, HealthChecks.
Implementations§
Source§impl AppContextWeak
impl AppContextWeak
Sourcepub fn upgrade(&self) -> Option<AppContext>
pub fn upgrade(&self) -> Option<AppContext>
Get an AppContext from Self.
Trait Implementations§
Source§impl Clone for AppContextWeak
impl Clone for AppContextWeak
Source§fn clone(&self) -> AppContextWeak
fn clone(&self) -> AppContextWeak
Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read moreAuto Trait Implementations§
impl !RefUnwindSafe for AppContextWeak
impl !UnwindSafe for AppContextWeak
impl Freeze for AppContextWeak
impl Send for AppContextWeak
impl Sync for AppContextWeak
impl Unpin for AppContextWeak
impl UnsafeUnpin for AppContextWeak
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