diff options
| -rw-r--r-- | src/serialization.rs | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/src/serialization.rs b/src/serialization.rs index afaa425..0ee527d 100644 --- a/src/serialization.rs +++ b/src/serialization.rs @@ -578,10 +578,16 @@ impl serialize::Decoder<DecodeError> for Decoder { } fn read_tuple<T>(&mut self, - f: |&mut Decoder, uint| -> Result<T, DecodeError>) + tuple_len: uint, + f: |&mut Decoder| -> Result<T, DecodeError>) -> Result<T, DecodeError> { - self.read_seq(f) + self.read_seq(|d, len| { + assert!(len == tuple_len, + "expected tuple of length `{}`, found tuple \ + of length `{}`", tuple_len, len); + f(d) + }) } fn read_tuple_arg<T>(&mut self, a_idx: uint, f: |&mut Decoder| -> Result<T, DecodeError>) @@ -592,7 +598,8 @@ impl serialize::Decoder<DecodeError> for Decoder { fn read_tuple_struct<T>(&mut self, _s_name: &str, - _f: |&mut Decoder, uint| -> Result<T, DecodeError>) + _len: uint, + _f: |&mut Decoder| -> Result<T, DecodeError>) -> Result<T, DecodeError> { panic!() |