Enum ForgetTarget 

pub enum ForgetTarget {
    Node {
        key: String,
    },
    Prop {
        key: String,
        prop: String,
    },
    Fact {
        subject: String,
        predicate: String,
        object: String,
    },
}

What to forget: exactly one of a node, one property, or one fact.

Variants

Node

Tombstone the node and every edge on it.

Fields

key: String

Prop

Remove one property from a node.

Fields

key: String

prop: String

Fact

Retract one hand-written edge, (predicate, subject, object).

Fields

subject: String

predicate: String

object: String

Implementations

impl ForgetTarget

pub fn from_parts( key: Option<String>, prop: Option<String>, fact: Option<(String, String, String)>, ) -> Option<Self>

The target three optional arguments name, or None when they are not exactly one of the three shapes — the caller answers FORGET_SHAPE.

Trait Implementations

impl Clone for ForgetTarget

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 ForgetTarget

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

Formats the value using the given formatter.

impl Eq for ForgetTarget

impl PartialEq for ForgetTarget

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for ForgetTarget