I think typically the solution is to just prefix std:: to everything. Once you get used to doing it, it doesn't even seem cumbersome anymore. (well that's my opinion at least)

From: Erik Thiele <erik@thiele-hydraulik.de> Date: 2004/08/05 Thu AM 09:27:10 EDT To: boost-users@lists.boost.org Subject: [Boost-users] "using namespace" in template implementation files

hi

i don't find any docs about that issue, so i ask it here:

the usual approach to work with templates and separated interface and implementation is as follows (i hope):

x.hpp:

template<class a> void foo(std::string xxx); #include "x_impl.hpp"

x_impl.hpp:

template<class a> void foo(std::string xxx) { string bla = xxx + "sdjkfh"; // <-- no std:: here !!!! cout << bla; }

usually in normal non-template coding style i can do

using namespace std;

on the top of each .cpp file. but now i cannot do it, because it is actually in a header file and i don't want to include another namespace in the interface definition.

how can i solve the problem? i don't want to write "using namespace std" at the beginning of every template function declaration, but only once per implementation file.

cu & thx erik

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