Struct LabeledPrompt 

pub struct LabeledPrompt { /* private fields */ }

A labeled escape target: a label symbol bound to a control prompt.

Names a dynamic-extent landing site so a NonLocalExit can abort to the matching prompt by label.

Implementations

impl LabeledPrompt

pub fn new(label: Symbol, prompt: Ref) -> Self

Binds label to the escape prompt.

pub fn label(&self) -> &Symbol

Returns the escape label.

pub fn prompt(&self) -> &Ref

Returns the prompt this label aborts to.

Trait Implementations

impl Clone for LabeledPrompt

fn clone(&self) -> LabeledPrompt

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for LabeledPrompt

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

Formats the value using the given formatter.

impl Eq for LabeledPrompt

impl PartialEq for LabeledPrompt

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for LabeledPrompt