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List: groovy-scm
Subject: [groovy-scm] [jira] (GROOVY-6224) ?= operator
From: "Corey Nelson (JIRA)" <jira () codehaus ! org>
Date: 2013-06-28 19:42:03
Message-ID: JIRA.147084.1372448476900.8284.1372448523218 () codehaus01 ! managed ! contegix ! com
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0;font-size:12px;line-height:18px;"> <a class="user-hover" rel="coreynelson" \
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style="color:#005500;">Corey Nelson</a> created <img \
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width="16" border="0" align="absmiddle" alt="New Feature"> <a \
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href='https://jira.codehaus.org/browse/GROOVY-6224'>GROOVY-6224</a> </div>
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<a style='color:#005500;text-decoration:none;' \
href='https://jira.codehaus.org/browse/GROOVY-6224'><strong>?= operator</strong></a> \
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10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Issue Type:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 \
0 10px 0;width:100%;"> <img \
src="https://jira.codehaus.org/images/icons/issuetypes/newfeature.png" height="16" \
width="16" border="0" align="absmiddle" alt="New Feature"> New Feature </td>
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10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Affects Versions:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 \
0 10px 0;width:100%;"> 2.1.5 </td>
</tr>
<tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 \
10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Assignee:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 \
0 10px 0;width:100%;"> Unassigned </td>
</tr> <tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 \
10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Components:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 \
0 10px 0;width:100%;"> Compiler, syntax </td>
</tr>
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 \
10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Created:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 \
0 10px 0;width:100%;"> 28/Jun/13 2:41 PM
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<strong style="font-weight:normal;color:#505050;">Description:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 \
0 10px 0;width:100%;">
<p style='margin-top:0;margin-bottom:10px;'>I propose a new operator ?=</p>
<p style='margin-top:0;margin-bottom:10px;'>Instead of doing this:</p>
<p style='margin-top:0;margin-bottom:10px;'> bar = bar ?: new Bar()<br/>
assert bar != null</p>
<p style='margin-top:0;margin-bottom:10px;'> params.foo = params.foo ?: \
defaultFoo<br/> assert params.foo != null</p>
<p style='margin-top:0;margin-bottom:10px;'>with the ?= operator I could do this:</p>
<p style='margin-top:0;margin-bottom:10px;'> bar ?= new Bar()<br/>
assert bar != null</p>
<p style='margin-top:0;margin-bottom:10px;'> params.foo ?= defaultFoo<br/>
assert params.foo != null</p>
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<strong style="font-weight:normal;color:#505050;">Environment:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 \
0 10px 0;width:100%;"> n/a
</td>
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 \
10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Project:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 \
0 10px 0;width:100%;">
<a style="color:#005500;" \
href="https://jira.codehaus.org/browse/GROOVY">groovy</a> </td>
</tr> <tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 \
10px 10px 0;white-space:nowrap;"> <strong \
style="font-weight:normal;color:#505050;">Labels:</strong> </td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 \
0 10px 0;width:100%;"> operator
elvis
</td>
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10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Priority:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 \
0 10px 0;width:100%;"> <img \
src="https://jira.codehaus.org/images/icons/priorities/major.png" height="16" \
width="16" border="0" align="absmiddle" alt="Major"> Major </td>
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10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Reporter:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 \
0 10px 0;width:100%;"> <a class="user-hover" rel="coreynelson" \
id="email_coreynelson" \
href="https://jira.codehaus.org/secure/ViewProfile.jspa?name=coreynelson" \
style="color:#005500;">Corey Nelson</a> </td>
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