Struct rune::ast::ExprLet

pub struct ExprLet {
    pub attributes: Vec<Attribute>,
    pub let_token: Let,
    pub pat: Pat,
    pub eq: Eq,
    pub expr: Expr,
}

A let expression let <name> = <expr>;

Examples

use rune::{testing, ast};

testing::roundtrip::<ast::ExprLet>("let x = 1");
testing::roundtrip::<ast::ExprLet>("#[attr] let a = f()");

Fields

attributes: Vec<Attribute>

The attributes for the let expression

let_token: Let

The let keyword.

pat: Pat

The name of the binding.

eq: Eq

The equality keyword.

expr: Expr

The expression the binding is assigned to.

Implementations

impl ExprLet

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

Parse with the given meta.

pub fn parse_without_eager_brace(
    parser: &mut Parser<'_>
) -> Result<Self, ParseError>

Parse a let expression without eager bracing.

Trait Implementations

impl Clone for ExprLet

fn clone(&self) -> ExprLet

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for ExprLet

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

Formats the value using the given formatter.

impl Eq for ExprLet

impl Parse for ExprLet

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

Parse the current item from the parser.

impl PartialEq<ExprLet> for ExprLet

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

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

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

This method tests for !=.

impl Spanned for ExprLet

fn span(&self) -> Span

Get the span of the type.

impl StructuralEq for ExprLet

impl StructuralPartialEq for ExprLet

impl ToTokens for ExprLet

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

Turn the current item into tokens.