Function tuple

prqlc/prqlc-parser/src/parser/expr.rs:176–197

(
    nested_expr: impl Parser<'a, I, Expr, ParserError<'a>> + Clone + 'a,
)

}

fn tuple<'a, I>(
    nested_expr: impl Parser<'a, I, Expr, ParserError<'a>> + Clone + 'a,
) -> impl Parser<'a, I, ExprKind, ParserError<'a>> + Clone + 'a
where
    I: Input<'a, Token = lr::Token, Span = Span> + BorrowInput<'a>,
{
    use chumsky::recovery::{skip_then_retry_until, via_parser};

    sequence(maybe_aliased(nested_expr))
        .delimited_by(
            ctrl('{'),
            ctrl('}')
                .recover_with(via_parser(end()))
                .recover_with(skip_then_retry_until(
                    any_ref().ignored(),
                    ctrl('}').ignored().or(ctrl(',').ignored()).or(end()),
                )),
        )
        .map(ExprKind::Tuple)
        .labelled("tuple")
        .boxed()
}

fn array<'a, I>(
    expr: impl Parser<'a, I, Expr, ParserError<'a>> + Clone + 'a,