Enum HistoryMode 

pub enum HistoryMode {
    Current,
    All,
    Historical,
}

Which facts recall returns.

Variants

Current

Only facts that are current at the evaluation time. The default.

All

Every fact, with its status; ranking is unchanged.

Historical

Only facts that are not current: superseded, expired or not yet valid.

Trait Implementations

impl Clone for HistoryMode

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 HistoryMode

impl Debug for HistoryMode

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

Formats the value using the given formatter.

impl Default for HistoryMode

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for HistoryMode

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for HistoryMode

impl PartialEq for HistoryMode

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for HistoryMode

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 HistoryMode