diff options
| author | Edwin Cheng <[email protected]> | 2020-03-04 14:29:55 +0000 |
|---|---|---|
| committer | Edwin Cheng <[email protected]> | 2020-03-04 15:41:14 +0000 |
| commit | 028595548bea83508c9626835ac84409c83778ed (patch) | |
| tree | 09a94c9b8d4b96c960033df710b80b8b667a7098 /crates/ra_mbe/src/tt_iter.rs | |
| parent | e76dddd61078e1636ad8dc2ed02d53d37ae987e1 (diff) | |
Fix #3436
Diffstat (limited to 'crates/ra_mbe/src/tt_iter.rs')
| -rw-r--r-- | crates/ra_mbe/src/tt_iter.rs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/crates/ra_mbe/src/tt_iter.rs b/crates/ra_mbe/src/tt_iter.rs index 319f1ee65..100184e66 100644 --- a/crates/ra_mbe/src/tt_iter.rs +++ b/crates/ra_mbe/src/tt_iter.rs | |||
| @@ -53,6 +53,10 @@ impl<'a> TtIter<'a> { | |||
| 53 | _ => Err(()), | 53 | _ => Err(()), |
| 54 | } | 54 | } |
| 55 | } | 55 | } |
| 56 | |||
| 57 | pub(crate) fn peek_n(&self, n: usize) -> Option<&tt::TokenTree> { | ||
| 58 | self.inner.as_slice().get(n) | ||
| 59 | } | ||
| 56 | } | 60 | } |
| 57 | 61 | ||
| 58 | impl<'a> Iterator for TtIter<'a> { | 62 | impl<'a> Iterator for TtIter<'a> { |