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| <td class="back"><a id="top"></a><a href="s4.8.c.html" rel="prev"><< §4.8.(c) Class based precedence</a></td> |
| <td class="top"><a href="index.html" rel="contents">↑ Table of Contents ↑</a></td> |
| <td class="next"><a href="s4.8.e.html" rel="next">§4.8.(e) Binding overriding >></a></td> |
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| <div class="breadcrumb"><a class="nav" href="s4.html" rel="section">§4 Callin Binding</a> > <a class="nav" href="s4.8.html" rel="section">§4.8 Callin precedence</a></div> |
| <div class="subsect depth3" id="s4.8.d"> |
| <h4 class="subsect">§4.8.(d) <span class="title">Multiple precedence statements</span><a class="img" href="s4.8.d.html" |
| title="PermaLink to (d) Multiple precedence statements"><img style="vertical-align:text-top;margin-left:5px;" src="../images/permalink.png" |
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| <p>All precedence statements are collected at the outer-most team. At that level all |
| precedence declarations involving the same base method are merged using the |
| C3 algorithm <a href="s4.html#fn3-c3-algorithm" class="int">[3]</a>. |
| When merging precendence declarations more deeply nested declarations have higher priority |
| than outer declarations. |
| For several declarations at the same nesting level the lexical ordering determines the priority. |
| |
| </p> |
| <p> |
| At any point the C3 algorithm will ensure that the resulting order after merging is consistent |
| with each individual precedence declaration. |
| It is an error to declare |
| incompatible precedence lists that cannot be merged by the C3 algorithm. |
| |
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| <td class="back"><a href="s4.8.c.html" rel="prev"><< §4.8.(c) Class based precedence</a></td> |
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| <div class="breadcrumb"><a class="nav" href="s4.html" rel="section">§4 Callin Binding</a> > <a class="nav" href="s4.8.html" rel="section">§4.8 Callin precedence</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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