Struct PrimitiveResourceScope 

pub struct PrimitiveResourceScope { /* private fields */ }

Implementations

impl PrimitiveResourceScope

pub fn new() -> Self

pub fn own( &self, label: impl Into<String>, cleanup: impl FnOnce() + 'static, ) -> Result<PrimitiveResourceHandle, PrimitiveResourceError>

Own one native task/subscription/resource cancellation callback.

Errors

Returns PrimitiveResourceError for an unsafe label or conflicting scope borrow.

pub fn cancel( &self, handle: &PrimitiveResourceHandle, ) -> Result<bool, PrimitiveResourceError>

Cancel one owned resource early.

Errors

Returns a borrow or cleanup-panic diagnostic.

pub fn active_count(&self) -> usize

Trait Implementations

impl Clone for PrimitiveResourceScope

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PrimitiveResourceScope

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

Formats the value using the given formatter.

impl Default for PrimitiveResourceScope

fn default() -> Self

Returns the “default value” for a type.