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use crate::ast;
use crate::{ParseError, Parser, Spanned, ToTokens};
#[derive(Debug, Clone, PartialEq, Eq, ToTokens, Spanned)]
pub struct ExprFor {
#[rune(iter)]
pub attributes: Vec<ast::Attribute>,
#[rune(iter)]
pub label: Option<(ast::Label, T![:])>,
pub for_token: T![for],
pub binding: ast::Pat,
pub in_: T![in],
pub iter: ast::Expr,
pub body: Box<ast::Block>,
}
impl ExprFor {
pub(crate) fn parse_with_meta(
parser: &mut Parser<'_>,
attributes: Vec<ast::Attribute>,
label: Option<(ast::Label, T![:])>,
) -> Result<Self, ParseError> {
Ok(Self {
attributes,
label,
for_token: parser.parse()?,
binding: parser.parse()?,
in_: parser.parse()?,
iter: ast::Expr::parse_without_eager_brace(parser)?,
body: parser.parse()?,
})
}
}
expr_parse!(For, ExprFor, "for loop expression");