Trait UICollectionViewDataSourcePrefetching 

pub unsafe trait UICollectionViewDataSourcePrefetching: NSObjectProtocol + MainThreadOnly {
    // Provided methods
    fn collectionView_prefetchItemsAtIndexPaths(
        &self,
        collection_view: &UICollectionView,
        index_paths: &NSArray<NSIndexPath>,
    )
       where Self: Sized + Message { ... }
    fn collectionView_cancelPrefetchingForItemsAtIndexPaths(
        &self,
        collection_view: &UICollectionView,
        index_paths: &NSArray<NSIndexPath>,
    )
       where Self: Sized + Message { ... }
}

Available on crate feature UICollectionView only.

Apple’s documentation

Provided Methods

fn collectionView_prefetchItemsAtIndexPaths( &self, collection_view: &UICollectionView, index_paths: &NSArray<NSIndexPath>, )

where Self: Sized + Message,

Available on crate features UIResponder and UIScrollView and UIView only.

fn collectionView_cancelPrefetchingForItemsAtIndexPaths( &self, collection_view: &UICollectionView, index_paths: &NSArray<NSIndexPath>, )

where Self: Sized + Message,

Available on crate features UIResponder and UIScrollView and UIView only.

Trait Implementations

impl<T> ImplementedBy<T> for dyn UICollectionViewDataSourcePrefetching

where T: ?Sized + Message + UICollectionViewDataSourcePrefetching,

impl ProtocolType for dyn UICollectionViewDataSourcePrefetching

const NAME: &'static str = "UICollectionViewDataSourcePrefetching"

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> UICollectionViewDataSourcePrefetching for ProtocolObject<T>

where T: ?Sized + UICollectionViewDataSourcePrefetching,

Implementors