Enum EntityTypeSelection 

pub enum EntityTypeSelection {
    All,
    Known(EntityTypeId),
    Missing,
}

Entity-label selection without conflating an unknown label with all labels.

Variants

All

No label restriction.

Known(EntityTypeId)

Select one checked declared or runtime entity label.

Missing

A requested label is absent; preserve the empty-result behavior.

Implementations

impl EntityTypeSelection

pub const fn known_id(self) -> Option<EntityTypeId>

Inspect a selected identity without treating missing as unrestricted.

Trait Implementations

impl Clone for EntityTypeSelection

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for EntityTypeSelection

impl Debug for EntityTypeSelection

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for EntityTypeSelection

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for EntityTypeSelection

impl Hash for EntityTypeSelection

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for EntityTypeSelection

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl Serialize for EntityTypeSelection

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for EntityTypeSelection