Struct Disposable 

pub struct Disposable {
    callback: Option<Box<dyn FnOnce() + Send + Sync>>,
}

Disposable resource handle.

Returned by all register_*_provider methods. Calling dispose() removes the provider registration from the LanguageNamespace store.

Fields

callback: Option<Box<dyn FnOnce() + Send + Sync>>

Implementations

impl Disposable

pub fn new() -> Self

Create a no-op disposable.

pub fn with_callback(callback: Box<dyn FnOnce() + Send + Sync>) -> Self

Create a disposable with a callback invoked on dispose().

pub fn dispose(self)

Dispose the resource, invoking the registered callback if present.

Trait Implementations

impl Clone for Disposable

fn clone(&self) -> Self

Cloning a Disposable produces a no-op copy. The original disposable retains the callback.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Disposable

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

Formats the value using the given formatter.

impl Default for Disposable

fn default() -> Self

Returns the “default value” for a type.