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| <td class="back"><a id="top"></a><a href="s3.5.a.html" rel="prev"><< §3.5.(a) Syntax</a></td> |
| <td class="top"><a href="index.html" rel="contents">↑ Table of Contents ↑</a></td> |
| <td class="next"><a href="s3.5.c.html" rel="next">§3.5.(c) Value mapping >></a></td> |
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| <div class="breadcrumb"><a class="nav" href="s3.html" rel="section">§3 Callout Binding</a> > <a class="nav" href="s3.5.html" rel="section">§3.5 Callout to field</a></div> |
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| <h4 class="subsect">§3.5.(b) <span class="title">Compatibility</span><a class="img" href="s3.5.b.html" title="PermaLink to (b) Compatibility"><img style="vertical-align:text-top;margin-left:5px;" src="../images/permalink.png" |
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| <p>A role method bound with the modifier <code>get</code> |
| should have no arguments |
| (it <em>may</em> have arbitrary arguments, which are silently ignored) |
| and should have a return type to which the base field is compatible. |
| A role method returning void will ignore the given value and thus has |
| no effect at all, which will be signaled by a compiler warning. |
| <br /> |
| A role method bound with the modifier <code>set</code> must have a first argument |
| that is compatible to the base field's type (additional arguments - if present - |
| are silently ignored) and must not declare a return type. |
| |
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| <td class="back"><a href="s3.5.a.html" rel="prev"><< §3.5.(a) Syntax</a></td> |
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| <div class="breadcrumb"><a class="nav" href="s3.html" rel="section">§3 Callout Binding</a> > <a class="nav" href="s3.5.html" rel="section">§3.5 Callout to field</a></div> |
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| width="88" /></a><address>© Stephan Herrmann, Christine Hundt, Marco Mosconi</address> |
| OT/J version 1.3.1 — last modified: 2013-05-28 |
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