Struct Holder 

pub struct Holder {
    pub muted: Vec<Statement>,
    pub value: Option<Box<Expr>>,
    pub delimiter: _ParenthesisDelimiter,
}

A typed Macaulay2 holder syntax node.

Fields

muted: Vec<Statement>

The muted child of this syntax node.

value: Option<Box<Expr>>

The value child of this syntax node.

delimiter: _ParenthesisDelimiter

The paired delimiter surrounding this node.

Implementations

impl Holder

pub fn new(muted: Vec<Statement>, value: Option<Expr>) -> Self

Creates this node from its typed children.

Trait Implementations

impl Debug for Holder

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

Formats the value using the given formatter.

impl From<Holder> for Component

fn from(value: Holder) -> Self

Converts to this type from the input type.

impl From<Holder> for Expr

fn from(value: Holder) -> Self

Converts to this type from the input type.

impl Lex for Holder

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 Holder

fn pretty_tree(&self) -> PrettyNode

Builds the presentation node for this syntax value.

impl<N> Reconstruct<N> for Holder

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 Holder

fn span(&self) -> Span

Returns the smallest span covering this value.