Enum Error 

pub enum Error {
    InvalidComputation,
    NoDefinition,
    NoReductionRule,
    CouldNotFind(Arc<String>),
}

Represents an error.

Variants

InvalidComputation

Invalid function for computing something from left side of expression to right side.

NoDefinition

There was no defintion of the symbol.

NoReductionRule

There was no matching reduction rule.

CouldNotFind(Arc<String>)

Could not find variable.

Trait Implementations

impl Debug for Error

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

Formats the value using the given formatter.

impl PartialEq for Error

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for Error