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<td class="t-dcl-nopad"> </td> <td > (since C++11) </td> </tr> Template:ddcl list end
An object of unspecified type such that any value can be assigned to it with no effect. Intended for use with std::tie when unpacking a std::tuple, as a placeholder for the arguments that are not used.
unpack a pair returned by set.insert(), but only save the boolean.
Value was inserted sucessfully
| creates a |