 took
          place or <code class="computeroutput"><span class="keyword">false</span></code> if the assignment
          took place.
        </p>
<h6>
<a name="json.ref.boost__json__object.insert_or_assign.h5"></a>
          <span class="phrase"><a name="json.ref.boost__json__object.insert_or_assign.parameters"></a></span><a class="link" href="insert_or_assign.html#json.ref.boost__json__object.insert_or_assign.parameters">Parameters</a>
        </h6>
<div class="informaltable"><table class="table">
<colg