Enum lambda_calculus::term::TermError

pub enum TermError {
    NotVar,
    NotAbs,
    NotApp,
}

An error that can be returned when an inapplicable function is applied to a Term.

Variants

NotVar

the term is not a variable

NotAbs

the term is not an abstraction

NotApp

the term is not an application

Trait Implementations

impl Debug for TermError

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

Formats the value using the given formatter.

impl PartialEq<TermError> for TermError

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

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

#[must_use]pub fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl StructuralPartialEq for TermError