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Stephen Dolan committed 2012-10-21 22:47:35 +01:00
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@@ -1437,7 +1437,7 @@ not</code>.</p>
</h3>
<p>A filter of the form <code>a // b</code> produces the same results as <code>a</code>, if <code>a</code> produces results other than <code>false</code> and <code>null</code>. Otherwise, <code>a // b</code> produces the same results as <code>b</code>.</p>
<p>This is useful for providing defaults: <code>.foo or 1</code> will evaluate to <code>1</code> if there&#8217;s no <code>.foo</code> element in the input. It&#8217;s similar to how <code>or</code> is sometimes used in Python (jq&#8217;s <code>or</code> operator is reserved for strictly Boolean operations).</p>
<p>This is useful for providing defaults: <code>.foo // 1</code> will evaluate to <code>1</code> if there&#8217;s no <code>.foo</code> element in the input. It&#8217;s similar to how <code>or</code> is sometimes used in Python (jq&#8217;s <code>or</code> operator is reserved for strictly Boolean operations).</p>
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