Typedefs member type to std::true_type if T is a copyable type, otherwise it typedefs it to std::false_type.
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Typedefs member type to std::true_type if T is a copyable type, otherwise it typedefs it to std::false_type.
A copyable type is not the same as a copy constructible type. Copyable types are types that there is benefit in copying them when communicating in the same address space and they do not introduce race-conditions.
1.8.13