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Fix T.65: retrieve copy_trait tag in code example #2291

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Fix T.65: retrieve copy_trait tag in code example #2291

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2 changes: 1 addition & 1 deletion CppCoreGuidelines.md
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Original file line number Diff line number Diff line change
Expand Up @@ -18461,7 +18461,7 @@ This is a simplified version of `std::copy` (ignoring the possibility of non-con
template<class Iter>
Out copy(Iter first, Iter last, Iter out)
{
using tag_type = typename copy_trait<std::iter_value_t<Iter>>;
using tag_type = typename copy_trait<std::iter_value_t<Iter>>::tag;
return copy_helper(first, last, out, tag_type{})
}

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