Function doc_comment

prqlc/prqlc-parser/src/parser/mod.rs:123–140

()

}

fn doc_comment<'a, I>() -> impl Parser<'a, I, String, ParserError<'a>> + Clone
where
    I: Input<'a, Token = lr::Token, Span = Span> + BorrowInput<'a>,
{
    // doc comments must start on a new line, so we enforce a new line (which
    // can also be a file start) before the doc comment
    //
    // TODO: we currently lose any empty newlines between doc comments;
    // eventually we want to retain or restrict them
    (new_line().repeated().at_least(1).ignore_then(select_ref! {
        lr::Token { kind: TokenKind::DocComment(dc), .. } => dc.clone(),
    }))
    .repeated()
    .at_least(1)
    .collect()
    .map(|lines: Vec<String>| lines.join("\n"))
    .labelled("doc comment")
}

fn with_doc_comment<'a, I, P, O>(parser: P) -> impl Parser<'a, I, O, ParserError<'a>> + Clone + 'a
where