<h4><span title="Microsoft.FSharp.Core.FSharpOption<Tuple<a, BankersDeque<a>>>">FSharpOption&lt;Tuple&lt;a, BankersDeque&lt;a&gt;&gt;&gt;</span> <strong>tryUncons&lt;a&gt;</strong>(<a href="../FSharpx.DataStructures/BankersDeque`1.htm">BankersDeque&lt;a&gt;</a> q)</h4>
		<div class="content">O(1), amortized. Returns option first element and tail. 



      
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	<div id="tryUnsnoc``1" class="method">
		<h4><span title="Microsoft.FSharp.Core.FSharpOption<Tuple<BankersDeque<a>, a>>">FSharpOptio