pList&lt;a&gt;</span> xs, <span title="Microsoft.FSharp.Collections.FSharpList<a>">FSharpList&lt;a&gt;</span> ys)</h4>
		<div class="content">O(ys-xs). Returns a deque of the two lists concatenated, c is front-back stream ration constant, should be at least 2. 



      
    </div>
	</div>
	<div id="ofCatSeqs``1" class="method">
		<h4><a href="../FSharpx.DataStructures/BankersDeque`1.htm">BankersDeque&lt;a&gt;</a> <strong>ofCatSeqs&lt;a&gt;</strong>(<span title="System.Collections.Generic.IEnumerable<a>">IE