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Diffstat (limited to 'crates/mbe/src/tt_iter.rs')
| -rw-r--r-- | crates/mbe/src/tt_iter.rs | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/crates/mbe/src/tt_iter.rs b/crates/mbe/src/tt_iter.rs index 40e8a2385f..97b37b24ad 100644 --- a/crates/mbe/src/tt_iter.rs +++ b/crates/mbe/src/tt_iter.rs @@ -51,6 +51,13 @@ impl<'a, S: Span> TtIter<'a, S> { } } + pub(crate) fn expect_dollar(&mut self) -> Result<(), ()> { + match self.expect_leaf()? { + tt::Leaf::Punct(tt::Punct { char: '$', .. }) => Ok(()), + _ => Err(()), + } + } + pub(crate) fn expect_ident(&mut self) -> Result<&'a tt::Ident<S>, ()> { match self.expect_leaf()? { tt::Leaf::Ident(it) if it.text != "_" => Ok(it), |