Struct NoEntitiesSchema 

pub struct NoEntitiesSchema;

Simple type that implements Schema by expecting no entities to exist at all

Trait Implementations

impl Clone for NoEntitiesSchema

fn clone(&self) -> NoEntitiesSchema

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for NoEntitiesSchema

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

Formats the value using the given formatter.

impl Schema for NoEntitiesSchema

type EntityTypeDescription = NullEntityTypeDescription

Type returned by entity_type(). Must implement the EntityTypeDescription trait

type ActionEntityIterator = Empty<Arc<Entity>>

Type returned by action_entities()

fn entity_type( &self, _entity_type: &EntityType, ) -> Option<NullEntityTypeDescription>

Get an EntityTypeDescription for the given entity type, or None if that entity type is not declared in the schema (in which case entities of that type should not appear in the JSON data).

fn action(&self, _action: &EntityUID) -> Option<Arc<Entity>>

Get the entity information for the given action, or None if that action is not declared in the schema (in which case this action should not appear in the JSON data).

fn entity_types_with_basename<'a>( &'a self, _basename: &'a UnreservedId, ) -> Box<dyn Iterator<Item = EntityType> + 'a>

Get the names of all entity types declared in the schema that have the given basename (in the sense of Name::basename()).

fn action_entities(&self) -> Empty<Arc<Entity>>

Get all the actions declared in the schema