Intermediate results using expression templates

Question

in C++ Template Metaprogramming : Concepts, Tools, and Techniques from Boost and Beyond

... One drawback of expression templates is that they tend to

Answer 1

I don't understand your question. auto is going to be reused in C++0x for automatic type inference.

I personally see this as a drawback for expression templates since they often relay on having a smaller life span than the objects they are built upon which can turn out to be false if the expression template is captured as I explain here.