Enum QueryTerm 

pub enum QueryTerm {
    Variable(String),
    Entity(EntityId),
    Constant(String),
    Any,
}

A term in a query pattern

Variants

Variable(String)

A variable to bind

Entity(EntityId)

A specific entity

Constant(String)

A constant value

Any

Any value (wildcard)

Implementations

impl QueryTerm

pub fn var(name: &str) -> Self

pub fn entity(id: EntityId) -> Self

pub fn constant(value: &str) -> Self

Trait Implementations

impl Clone for QueryTerm

fn clone(&self) -> QueryTerm

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for QueryTerm

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for QueryTerm

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for QueryTerm

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

where __S: Serializer,

Serialize this value into the given Serde serializer.