Why c++11 defines get<>(tuple) as a global function but not a member of tuple?

Question

Seems std::get is just used on tuple class. Why not make it member class of tuple in standard library, any other usages?

Answer 1

The reason get is a non-member function is that if this functionality had been provided as a member function, code where the type depended on a template parameter would have required using the template keyword.

source.

Snippet code when get is non-member function:

template<class T>
void foo ( tuple<T>& t ) {
    get<0>(t) = 10; // get is non-member function
}

and another if get is member function of tuple:

template<class T>
void foo ( tuple<T>& t ) {
    t. template get<0>() = 10; // ugly
}

Which version of get usage do you prefer ? For me, the first is better.