Trait al::evaler::Evaler

pub trait Evaler: Debug {
    fn eval(&self, slab: &Slab, ns: &mut EvalNS) -> Result<f64, KErr>;

    fn var_names(&self, slab: &Slab) -> Result<HashSet<String>, KErr> { ... }
}

Required methods

fn eval(&self, slab: &Slab, ns: &mut EvalNS) -> Result<f64, KErr>

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Provided methods

fn var_names(&self, slab: &Slab) -> Result<HashSet<String>, KErr>

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Implementors

impl Evaler for Callable

fn eval(&self, slab: &Slab, ns: &mut EvalNS) -> Result<f64, KErr>

impl Evaler for Func

fn eval(&self, slab: &Slab, ns: &mut EvalNS) -> Result<f64, KErr>

impl Evaler for UnaryOp

fn eval(&self, slab: &Slab, ns: &mut EvalNS) -> Result<f64, KErr>

impl Evaler for Value

fn eval(&self, slab: &Slab, ns: &mut EvalNS) -> Result<f64, KErr>

impl Evaler for Constant

fn eval(&self, _slab: &Slab, _ns: &mut EvalNS) -> Result<f64, KErr>

impl Evaler for EvalFunc

fn eval(&self, slab: &Slab, ns: &mut EvalNS) -> Result<f64, KErr>

impl Evaler for Expression

fn eval(&self, slab: &Slab, ns: &mut EvalNS) -> Result<f64, KErr>

impl Evaler for PrintFunc

fn eval(&self, slab: &Slab, ns: &mut EvalNS) -> Result<f64, KErr>

impl Evaler for Variable

fn eval(&self, _slab: &Slab, ns: &mut EvalNS) -> Result<f64, KErr>

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