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use crate::ast;
use crate::{ParseError, Parser, Spanned, ToTokens};
#[derive(Debug, Clone, PartialEq, Eq, ToTokens, Spanned)]
pub struct ExprLet {
#[rune(iter)]
pub attributes: Vec<ast::Attribute>,
pub let_token: T![let],
pub pat: ast::Pat,
pub eq: T![=],
pub expr: ast::Expr,
}
impl ExprLet {
pub fn parse_with_meta(
parser: &mut Parser<'_>,
attributes: Vec<ast::Attribute>,
) -> Result<Self, ParseError> {
Ok(Self {
attributes,
let_token: parser.parse()?,
pat: parser.parse()?,
eq: parser.parse()?,
expr: ast::Expr::parse_without_eager_brace(parser)?,
})
}
pub fn parse_without_eager_brace(parser: &mut Parser) -> Result<Self, ParseError> {
Ok(Self {
attributes: vec![],
let_token: parser.parse()?,
pat: parser.parse()?,
eq: parser.parse()?,
expr: ast::Expr::parse_without_eager_brace(parser)?,
})
}
}
expr_parse!(Let, ExprLet, "let expression");