Enum prolog_parser::ast::Constant

pub enum Constant {
    Atom(ClauseName, Option<SharedOpDesc>),
    Char(char),
    EmptyList,
    Fixnum(isize),
    Integer(Rc<Integer>),
    Rational(Rc<Rational>),
    Float(OrderedFloat<f64>),
    String(Rc<String>),
    Usize(usize),
}

Variants

Atom(ClauseName, Option<SharedOpDesc>)

Char(char)

EmptyList

Fixnum(isize)

Integer(Rc<Integer>)

Rational(Rc<Rational>)

Float(OrderedFloat<f64>)

String(Rc<String>)

Usize(usize)

Implementations

impl Constant

pub fn to_atom(self) -> Option<ClauseName>

Trait Implementations

impl Clone for Constant

fn clone(&self) -> Constant

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Constant

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

Formats the value using the given formatter.

impl Display for Constant

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

Formats the value using the given formatter.

impl Eq for Constant

impl Hash for Constant

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given [Hasher].

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given [Hasher].

impl PartialEq<Constant> for Constant

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

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

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

This method tests for !=.