Struct ScopeStack 

pub struct ScopeStack { /* private fields */ }

Generic symbol table that tracks variable definitions in nested scopes.

Implementations

impl ScopeStack

pub fn new() -> Self

pub fn enter_scope(&mut self)

pub fn exit_scope(&mut self)

pub fn define(&mut self, name: impl Into<String>)

pub fn is_defined(&self, name: &str) -> bool

pub fn scopes(&self) -> &Vec<HashSet<String>>

Trait Implementations

impl Clone for ScopeStack

fn clone(&self) -> ScopeStack

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Default for ScopeStack

fn default() -> ScopeStack

Returns the “default value” for a type.