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Diffstat (limited to 'src/libsyntax/tokenstream.rs')
| -rw-r--r-- | src/libsyntax/tokenstream.rs | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/libsyntax/tokenstream.rs b/src/libsyntax/tokenstream.rs index 339e7c0b628..963482fc223 100644 --- a/src/libsyntax/tokenstream.rs +++ b/src/libsyntax/tokenstream.rs @@ -227,14 +227,17 @@ impl TokenStream { } } +#[derive(Clone)] pub struct Cursor(CursorKind); +#[derive(Clone)] enum CursorKind { Empty, Tree(TokenTree, bool /* consumed? */), Stream(StreamCursor), } +#[derive(Clone)] struct StreamCursor { stream: RcSlice<TokenStream>, index: usize, |