+
+ /// Gets the length of this object after it has been serialized. This can be overridden to
+ /// optimize cases where we prepend an object with its length.
+ // Note that LLVM optimizes this away in most cases! Check that it isn't before you override!
+ #[inline]
+ fn serialized_length(&self) -> usize {
+ let mut len_calc = LengthCalculatingWriter(0);
+ self.write(&mut len_calc).expect("No in-memory data may fail to serialize");
+ len_calc.0
+ }