Function parse_nightly

src/expr.rs:71–83

(iter: Iter)

}

fn parse_nightly(iter: Iter) -> Result<Expr> {
    let paren = match token::parse_optional_paren(iter) {
        Some(group) => group,
        None => return Ok(Expr::Nightly),
    };

    let ref mut inner = iter::new(paren.stream());
    let date = date::parse(paren, inner)?;
    token::parse_optional_punct(inner, ',');
    token::parse_end(inner)?;

    Ok(Expr::Date(date))
}

fn parse_stable(iter: Iter) -> Result<Expr> {
    let paren = match token::parse_optional_paren(iter) {