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Diffstat (limited to 'src/libsyntax/ext/tt/macro_parser.rs')
| -rw-r--r-- | src/libsyntax/ext/tt/macro_parser.rs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/libsyntax/ext/tt/macro_parser.rs b/src/libsyntax/ext/tt/macro_parser.rs index af18801c97e..1a9849ca530 100644 --- a/src/libsyntax/ext/tt/macro_parser.rs +++ b/src/libsyntax/ext/tt/macro_parser.rs @@ -113,7 +113,8 @@ enum TokenTreeOrTokenTreeVec { } impl TokenTreeOrTokenTreeVec { - /// Returns the number of constituent token trees of `self`. + /// Returns the number of constituent top-level token trees of `self` (top-level in that it + /// will not recursively descend into subtrees). fn len(&self) -> usize { match *self { TtSeq(ref v) => v.len(), |