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Subject: [boost] [TypeErasure] assignment operator of any references
From: Vicente J. Botet Escriba (vicente.botet_at_[hidden])
Date: 2012-07-18 17:15:20


The References section constains this example:

int i, j;
any<typeid_<>, _self&> x(i), y(j);
x = y; // error

The following basic c++ code

int i=1, j=0;
int& x(i);
int& y(j);
x = y; // [1]

works and the expected value of x after [1] is 0.

Which concept requirements should I add to make the following work?

int i, j;
any<mpl::vector<typeid_<>, ...>, _self&> x(i), y(j);
x = y; // no error


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