Enum Exponent

pub enum Exponent {
    Simple(TokInteger),
    Parenthesized(RationalExponent),
}

An integer or a ratio. Used for exponents in exponentiation.

Variants

Simple(TokInteger)

Parenthesized(RationalExponent)

Implementations

impl Exponent

pub fn as_comp(&self) -> Result<CompExponent, Error>

Converts this exponent into a rational number.

Errors

Returns an error if the numbers can’t fit.

Trait Implementations

impl Debug for Exponent

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

Formats the value using the given formatter.

impl Parse for Exponent

type FirstToken = TokenOr<Maybe<<TokInteger as Parse>::FirstToken>, <RationalExponent as Parse>::FirstToken>

The first token of a structure.

fn parse<'t, I: Iterator<Item = &'t Token> + Clone>( input: &mut InputStream<'t, I>, ) -> Result<Self, Error>

Parse the tokens into Self.

fn get_span(&self) -> Span

Get the span of this node.