Struct rune::ast::ExprBreak

pub struct ExprBreak {
    pub attributes: Vec<Attribute>,
    pub break_token: Break,
    pub expr: Option<ExprBreakValue>,
}

A break statement: break [expr].

use rune::{testing, ast};

testing::roundtrip::<ast::ExprBreak>("break");
testing::roundtrip::<ast::ExprBreak>("break 42");
testing::roundtrip::<ast::ExprBreak>("#[attr] break 42");

Fields

attributes: Vec<Attribute>

The attributes of the break expression

break_token: Break

The return token.

expr: Option<ExprBreakValue>

An optional expression to break with.

Implementations

impl ExprBreak

pub fn parse_with_meta(
    parser: &mut Parser<'_>,
    attributes: Vec<Attribute>
) -> Result<Self, ParseError>

Parse #ident and attach the given meta

Trait Implementations

impl Clone for ExprBreak

fn clone(&self) -> ExprBreak

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for ExprBreak

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

Formats the value using the given formatter.

impl Eq for ExprBreak

impl Parse for ExprBreak

fn parse(p: &mut Parser<'_>) -> Result<Self, ParseError>

Parse the current item from the parser.

impl PartialEq<ExprBreak> for ExprBreak

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

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=.

impl Spanned for ExprBreak

fn span(&self) -> Span

Get the span of the type.

impl StructuralEq for ExprBreak

impl StructuralPartialEq for ExprBreak

impl ToTokens for ExprBreak

fn to_tokens(&self, context: &MacroContext, stream: &mut TokenStream)

Turn the current item into tokens.