Struct MapCursor 

pub struct MapCursor<C: FieldCursor> {
    pub map_id: Option<ObjId>,
    pub entries: HashMap<String, C>,
}

Cursor for HashMap<K, V> fields.

Fields

map_id: Option<ObjId>

ObjId of the map object itself.

entries: HashMap<String, C>

Cursors keyed by map key.

Trait Implementations

impl<C: Clone + FieldCursor> Clone for MapCursor<C>

fn clone(&self) -> MapCursor<C>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<C: Debug + FieldCursor> Debug for MapCursor<C>

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

Formats the value using the given formatter.

impl<C: Default + FieldCursor> Default for MapCursor<C>

fn default() -> MapCursor<C>

Returns the “default value” for a type.

impl<C: FieldCursor> FieldCursor for MapCursor<C>

type Changes = MapChanges<String, <C as FieldCursor>::Changes>

The associated change report type.

fn diff<D: ReadDoc>(&self, doc: &D, obj: &ObjId) -> Result<Self::Changes>

Compares cached ObjIds against the document to detect changes.

fn refresh<D: ReadDoc>(&mut self, doc: &D, obj: &ObjId) -> Result<()>

Refreshes the cached ObjIds from the document.

fn has_changes<D: ReadDoc>(&self, doc: &D, obj: &ObjId) -> Result<bool>

Checks if any cached ObjIds differ from the document.