Function with_doc_comment

prqlc/prqlc-parser/src/parser/mod.rs:142–152

(parser: P)

}

fn with_doc_comment<'a, I, P, O>(parser: P) -> impl Parser<'a, I, O, ParserError<'a>> + Clone + 'a
where
    I: Input<'a, Token = lr::Token, Span = Span> + BorrowInput<'a>,
    P: Parser<'a, I, O, ParserError<'a>> + Clone + 'a,
    O: SupportsDocComment + 'a,
{
    doc_comment()
        .or_not()
        .then(parser)
        .map(|(doc_comment, inner)| inner.with_doc_comment(doc_comment))
}

/// Allows us to surround a parser by `with_doc_comment` and for a doc comment
/// to be added to the result, as long as the result implements `SupportsDocComment`.