Trait NSDiscardableContent 

pub unsafe trait NSDiscardableContent {
    // Provided methods
    fn beginContentAccess(&self) -> bool
       where Self: Sized + Message { ... }
    fn endContentAccess(&self)
       where Self: Sized + Message { ... }
    fn discardContentIfPossible(&self)
       where Self: Sized + Message { ... }
    fn isContentDiscarded(&self) -> bool
       where Self: Sized + Message { ... }
}

Available on crate feature NSObject only.

********* Discardable Content **********

See also Apple’s documentation

Provided Methods

fn beginContentAccess(&self) -> bool

where Self: Sized + Message,

fn endContentAccess(&self)

where Self: Sized + Message,

fn discardContentIfPossible(&self)

where Self: Sized + Message,

fn isContentDiscarded(&self) -> bool

where Self: Sized + Message,

Trait Implementations

impl<T> ImplementedBy<T> for dyn NSDiscardableContent

where T: ?Sized + Message + NSDiscardableContent,

impl ProtocolType for dyn NSDiscardableContent

const NAME: &'static str = "NSDiscardableContent"

The name of the Objective-C protocol that this type represents.

fn protocol() -> Option<&'static AnyProtocol>

Get a reference to the Objective-C protocol object that this type represents.

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl<T> NSDiscardableContent for ProtocolObject<T>

where T: ?Sized + NSDiscardableContent,

Implementors

impl NSDiscardableContent for NSPurgeableData

Available on crate feature NSData only.