Trait GraphIter 

pub trait GraphIter: GraphTxnT {
    type GraphCursor;

    // Required methods
    fn graph_cursor(
        &self,
        g: &Self::Graph,
        s: Option<&Vertex<ChangeId>>,
    ) -> Result<Self::GraphCursor, TxnErr<Self::GraphError>>;
    fn next_graph<'txn>(
        &'txn self,
        g: &Self::Graph,
        a: &mut Self::GraphCursor,
    ) -> Option<Result<(&'txn Vertex<ChangeId>, &'txn SerializedEdge), TxnErr<Self::GraphError>>>;

    // Provided method
    fn iter_graph<'a>(
        &'a self,
        g: &'a Self::Graph,
        s: Option<&Vertex<ChangeId>>,
    ) -> Result<GraphIterator<'a, Self>, TxnErr<Self::GraphError>> { ... }
}

Required Associated Types

type GraphCursor

Required Methods

fn graph_cursor( &self, g: &Self::Graph, s: Option<&Vertex<ChangeId>>, ) -> Result<Self::GraphCursor, TxnErr<Self::GraphError>>

fn next_graph<'txn>( &'txn self, g: &Self::Graph, a: &mut Self::GraphCursor, ) -> Option<Result<(&'txn Vertex<ChangeId>, &'txn SerializedEdge), TxnErr<Self::GraphError>>>

Provided Methods

fn iter_graph<'a>( &'a self, g: &'a Self::Graph, s: Option<&Vertex<ChangeId>>, ) -> Result<GraphIterator<'a, Self>, TxnErr<Self::GraphError>>

Dyn Compatibility

This trait is not dyn compatible.

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

Implementors

impl<T: LoadPage<Error = Error> + RootPage> GraphIter for GenericTxn<T>

type GraphCursor = Cursor<Vertex<ChangeId>, SerializedEdge, Page<Vertex<ChangeId>, SerializedEdge>>