ion are true.</p>
<p>Call the given predicate on each key/value pair in the collection.
As soon as a call returns false, this returns false.
Otherwise this returns true.
For an empty collection this returns true.</p>
</div><div class="tsd-parameters"><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameter-list"><li><h5><span class="tsd-kind-parameter">pred</span>: <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">a</span><