| David Tolnay | dd12556 | 2017-12-31 02:16:22 -0500 | [diff] [blame^] | 1 | #[macro_export] |
| 2 | macro_rules! errorf { |
| 3 | ($($tt:tt)*) => {{ |
| 4 | use ::std::io::Write; |
| 5 | let stderr = ::std::io::stderr(); |
| 6 | write!(stderr.lock(), $($tt)*).unwrap(); |
| 7 | }}; |
| 8 | } |
| 9 | |
| 10 | #[macro_export] |
| 11 | macro_rules! delimited { |
| 12 | ($first:expr, $($rest:expr,)*) => {{ |
| 13 | let mut d = ::syn::delimited::Delimited::new(); |
| 14 | let mut last = $first; |
| 15 | $( |
| 16 | d.push(::std::mem::replace(&mut last, $rest)); |
| 17 | d.push_trailing(::std::default::Default::default()); |
| 18 | )* |
| 19 | last = last; |
| 20 | d.push(last); |
| 21 | d |
| 22 | }}; |
| 23 | |
| 24 | ($($e:expr),+) => { |
| 25 | delimited!($($e,)+) |
| 26 | }; |
| 27 | } |