Struct CaptureDescriptor 

pub struct CaptureDescriptor { /* private fields */ }

Stable metadata for one lexical capture slot.

Implementations

impl CaptureDescriptor

pub fn new(name: Symbol, shape: Option<ShapeId>) -> Self

Declares a capture slot with an optional existing Shape identifier.

pub fn name(&self) -> &Symbol

Returns the capture binding name.

pub const fn shape(&self) -> Option<ShapeId>

Returns its stable Shape identifier, when declared.

Trait Implementations

impl Clone for CaptureDescriptor

fn clone(&self) -> CaptureDescriptor

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CaptureDescriptor

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

Formats the value using the given formatter.

impl Eq for CaptureDescriptor

impl Hash for CaptureDescriptor

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for CaptureDescriptor

fn eq(&self, other: &CaptureDescriptor) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for CaptureDescriptor