Reduce dependency to <iostream> in header #57
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<iostream> comes with global constructors (to initialize std::cout, std::cerr and the likes) and is a rather large header on its own. Having it in a header impacts all compilation unit that include this header. Use <cstdio> instead for the simple formatting used in rlbox_helpers.hpp.
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comes with global constructors (to initialize std::cout, std::cerr and the likes) and is a rather large header on its own. Having it in a header impacts all compilation unit that include this header.
Use instead for the simple formatting used in rlbox_helpers.hpp.