Enum mentat_db::errors::CardinalityConflict

pub enum CardinalityConflict {
    CardinalityOneAddConflict {
        e: Entid,
        a: Entid,
        vs: BTreeSet<TypedValue>,
    },
    AddRetractConflict {
        e: Entid,
        a: Entid,
        vs: BTreeSet<TypedValue>,
    },
}

Variants

CardinalityOneAddConflict

A cardinality one attribute has multiple assertions [e a v1], [e a v2], ....

Fields of CardinalityOneAddConflict

e: Entid
a: Entid
vs: BTreeSet<TypedValue>

AddRetractConflict

A datom has been both asserted and retracted, like [:db/add e a v] and [:db/retract e a v].

Fields of AddRetractConflict

e: Entid
a: Entid
vs: BTreeSet<TypedValue>

Trait Implementations

impl Clone for CardinalityConflict

fn clone(&self) -> CardinalityConflict

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for CardinalityConflict

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Eq for CardinalityConflict

impl PartialEq for CardinalityConflict

fn eq(&self, __arg_0: &CardinalityConflict) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, __arg_0: &CardinalityConflict) -> bool

This method tests for !=.