[Bug libstdc++/40497] [C++0x] troubles with std::next / std::prev declarations

[paolo dot carlini at oracle dot com]

------- Comment #32 from paolo dot carlini at oracle dot com  2010-05-27 10:51 
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You mean, in practice, we should only check that difference_type exists?


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40497