Struct ScopeRef

pub struct ScopeRef<'a> { /* private fields */ }

Represents a reference to a scope.

Implementations

impl<'a> ScopeRef<'a>

pub fn span(&self) -> Span

Gets the span of the scope.

pub fn parent(&self) -> Option<Self>

Gets the parent scope.

Returns None if there is no parent scope.

pub fn names(&self) -> impl Iterator<Item = (&str, &Name)> + use<'_>

Gets all of the names available at this scope.

pub fn local(&self, name: &str) -> Option<&Name>

Gets a name local to this scope.

Returns None if a name local to this scope was not found.

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

Lookups a name in the scope.

Returns None if the name is not available in the scope.

Trait Implementations

impl<'a> Clone for ScopeRef<'a>

fn clone(&self) -> ScopeRef<'a>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<'a> Debug for ScopeRef<'a>

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

Formats the value using the given formatter.

impl<'a> Copy for ScopeRef<'a>