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<h2id="if-then-and-if-else">If…Then and If…Else</h2>
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<p><code>If</code> lets your block try multiple branches for a variable. If every branch has no matches, the block fails.</p>
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## If...Then and If...Else
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<table>
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<tr><td><em><code>If</code> lets your block try multiple branches for a variable. If every branch has no matches, the block fails.</em></td></tr>
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<tr>
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<td><code>If … else</code> lets you express ordered choice. <strong>Only the first branch</strong> with matches will contribute values to the variable.</td>
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<td><code></code></td>
@@ -331,7 +183,7 @@ <h2 id="if-then-and-if-else">If…Then and If…Else</h2>
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</table>
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<h2id="functions-and-aggregates">Functions and Aggregates</h2>
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## Functions and Aggregates
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<table>
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@@ -357,12 +209,12 @@ <h2 id="functions-and-aggregates">Functions and Aggregates</h2>
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</table>
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<h2id="update-operators">Update Operators</h2>
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<p>Besides creating new records, Eve has four operators to modify existing records in <code>bind</code> or <code>commit</code>.</p>
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## Update Operators
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<table>
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<tr><td><em>Besides creating new records, Eve has four operators to modify existing records in <code>bind</code> or <code>commit</code>.</em></td></tr>
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<tr>
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<td>(<code>+=</code>) Add value to attribute.</td>
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