ue_pair.key_value_pair.overload4.description"></a></span><a class="link" href="overload4.html#json.ref.boost__json__key_value_pair.key_value_pair.overload4.description">Description</a>
          </h7><p>
            The pair is constructed by acquiring ownership of the contents of <code class="computeroutput"><span class="identifier">other</span></code> using pilfer semantics. This
            is more efficient than move construction, when it is known that the moved-from
            object will be immediate