Enum QueryModelOutputSlotV2 

pub enum QueryModelOutputSlotV2 {
    One {
        binding: BindingId,
        declared: TypeId,
    },
    Collect {
        binding: BindingId,
        declared: TypeId,
        distinct: bool,
        order: QueryStableOrderV2,
    },
}

One public model-query output slot.

Variants

One

Select one concept.

Fields

binding: BindingId

Selected binding.

declared: TypeId

Descriptor under which this occurrence was selected.

Collect

Collect concepts per selected row/root.

Fields

binding: BindingId

Collected binding.

declared: TypeId

Descriptor under which these occurrences were collected.

distinct: bool

Remove multiplicity by concept identity.

order: QueryStableOrderV2

Stable collection-member order.

Implementations

impl QueryModelOutputSlotV2

pub const fn binding(&self) -> BindingId

Return the selected binding.

pub const fn declared(&self) -> &TypeId

Return the descriptor under which this output occurrence was selected.

pub const fn collection(&self) -> bool

Return whether this slot is a collection.

pub const fn distinct(&self) -> bool

Return whether collection multiplicity is removed by concept identity.

Trait Implementations

impl Clone for QueryModelOutputSlotV2

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for QueryModelOutputSlotV2

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for QueryModelOutputSlotV2

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for QueryModelOutputSlotV2

impl PartialEq for QueryModelOutputSlotV2

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for QueryModelOutputSlotV2

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 QueryModelOutputSlotV2