Struct ScopeArena 

pub struct ScopeArena { /* private fields */ }

Arena that owns all scopes. Scopes are created via create_root and create_child, and referenced by ScopeId.

Implementations

impl ScopeArena

pub fn new() -> Self

pub fn create_root(&mut self) -> ScopeId

Create a root scope (no parent).

pub fn create_child(&mut self, parent: ScopeId) -> ScopeId

Create a child scope with the given parent.

pub fn get(&self, id: ScopeId) -> &TypeScope

Get a reference to a scope by id.

pub fn get_mut(&mut self, id: ScopeId) -> &mut TypeScope

Get a mutable reference to a scope by id.

pub fn insert(&mut self, scope: ScopeId, name: String, type_id: TypeId)

Insert a name into the given scope.

pub fn resolve(&self, scope: ScopeId, name: &str) -> Option<TypeId>

Resolve a simple name by walking up the scope chain from the given scope.

Trait Implementations

impl Clone for ScopeArena

fn clone(&self) -> ScopeArena

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ScopeArena

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

Formats the value using the given formatter.

impl Default for ScopeArena

fn default() -> Self

Returns the “default value” for a type.