Struct Scope

pub struct Scope<L: Language> { /* private fields */ }

Tracks the variables in scope at this point in parsing.

Implementations

impl<L: Language> Scope<L>

pub fn new( bindings: impl IntoIterator<Item = (String, CoreParameter<L>)>, ) -> Self

Creates a new scope with the given set of bindings.

pub fn lookup(&self, name: &str) -> Option<CoreParameter<L>>

Look for a variable with the given name.

pub fn with_bindings( &self, bindings: impl IntoIterator<Item = (String, CoreParameter<L>)>, ) -> Self

Create a new scope that extends self with bindings.

Trait Implementations

impl<L: Clone + Language> Clone for Scope<L>

fn clone(&self) -> Scope<L>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<L: Debug + Language> Debug for Scope<L>

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

Formats the value using the given formatter.