Struct FromInstance 

pub struct FromInstance {
    pub from_token: _From,
    pub instance: Box<Expr>,
}

A typed Macaulay2 from_instance syntax node.

Fields

from_token: _From

The from_token child of this syntax node.

instance: Box<Expr>

The instance child of this syntax node.

Implementations

impl FromInstance

pub fn new(from_token: _From, instance: Expr) -> Self

Creates this node from its typed children.

Trait Implementations

impl Debug for FromInstance

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

Formats the value using the given formatter.

impl Lex for FromInstance

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 FromInstance

fn pretty_tree(&self) -> PrettyNode

Builds the presentation node for this syntax value.

impl<N> Reconstruct<N> for FromInstance

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 FromInstance

fn span(&self) -> Span

Returns the smallest span covering this value.