Struct Empty 

pub struct Empty { /* private fields */ }

A typed Macaulay2 empty syntax leaf.

Implementations

impl Empty

pub fn new(text: impl AsRef<str>, span: Span) -> Self

Creates a leaf from its text and source span.

Trait Implementations

impl Debug for Empty

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

Formats the value using the given formatter.

impl From<Empty> for AssignmentPackComponent

fn from(value: Empty) -> Self

Converts to this type from the input type.

impl From<Empty> for Component

fn from(value: Empty) -> Self

Converts to this type from the input type.

impl Lex for Empty

fn to_tokens(&self, _output: &mut TokenStream)

Appends this value’s token trees to output.

fn to_token_stream(&self) -> TokenStream

Emits this value into a fresh token stream.

fn to_m2(&self) -> String

Renders this value as normalized Macaulay2 source.

impl PrettyTree for Empty

fn pretty_tree(&self) -> PrettyNode

Builds the presentation node for this syntax value.

impl<N> Reconstruct<N> for Empty

where N: ExternalCstNode,

fn matches(node: &N) -> bool

Reports whether node can reconstruct this typed value.

fn reconstruct(node: N) -> Result<Self, ReconstructError>

Converts a matching external node into typed syntax.

impl Spanned for Empty

fn span(&self) -> Span

Returns the smallest span covering this value.