Struct FromInstance 

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

Struct generated by strutuct! for FromInstance.

Fields

from_token: _From

Field FromInstance::from_token generated by strutuct!.

instance: Box<Expr>

Field FromInstance::instance generated by strutuct!.

Implementations

impl FromInstance

pub fn new(from_token: _From, instance: Box<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<N> Migrate<N> for FromInstance

where N: ExternalCstNode,

fn matches(node: &N) -> bool

Reports whether node can migrate this typed value.

fn migrate(node: N) -> Result<Self, MigrateError>

Converts a matching external node into typed syntax.

impl PrettyTree for FromInstance

fn pretty_tree(&self) -> PrettyNode

Builds the presentation node for this syntax value.

impl Spanned for FromInstance

fn try_span(&self) -> Option<Span>

Returns the smallest span covering this value, when its constituents share one source snapshot.

fn span(&self) -> Span

Returns the smallest span covering this value.

fn expect_span(&self) -> Span

Returns this value’s span when one source snapshot covers it.