Struct geo_aid::generator::expression::expr::Difference

pub struct Difference {
    pub a: Arc<Expression<ScalarExpr>>,
    pub b: Arc<Expression<ScalarExpr>>,
}

a - b.

Fields

a: Arc<Expression<ScalarExpr>>

b: Arc<Expression<ScalarExpr>>

Trait Implementations

impl Clone for Difference

fn clone(&self) -> Difference

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Difference

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

Formats the value using the given formatter.

impl Evaluate for Difference

type Output = f64

fn evaluate(&self, args: &EvaluationArgs<'_>) -> Result<f64, EvaluationError>

Evaluates the thing.

fn evaluate_weights(&self) -> Weights

Evaluates weights.

impl Serialize for Difference

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

Serialize this value into the given Serde serializer.