Struct rune::ast::ExprReturn

pub struct ExprReturn {
    pub attributes: Vec<Attribute>,
    pub return_token: Return,
    pub expr: Option<Expr>,
}

A return expression return [expr].

use rune::{testing, ast};

testing::roundtrip::<ast::ExprReturn>("return");
testing::roundtrip::<ast::ExprReturn>("return 42");
testing::roundtrip::<ast::ExprReturn>("#[attr] return 42");

Fields

attributes: Vec<Attribute>

The attributes of the return statement.

return_token: Return

The return token.

expr: Option<Expr>

An optional expression to return.

Implementations

impl ExprReturn

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 ExprReturn

fn clone(&self) -> ExprReturn

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for ExprReturn

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

Formats the value using the given formatter.

impl Eq for ExprReturn

impl Parse for ExprReturn

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

Parse the current item from the parser.

impl PartialEq<ExprReturn> for ExprReturn

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

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

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

This method tests for !=.

impl Spanned for ExprReturn

fn span(&self) -> Span

Get the span of the type.

impl StructuralEq for ExprReturn

impl StructuralPartialEq for ExprReturn

impl ToTokens for ExprReturn

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

Turn the current item into tokens.