a class="el" href="a00043.html#a60427cac03d2b78cf4faed7c8ff8df8e">source</a> (const <a class="el" href="a00043.html#a17b854e59506b0707d2716c7108a0124">Arc</a> &amp;) const </td></tr>
<tr class="memdesc:a60427cac03d2b78cf4faed7c8ff8df8e inherit pub_methods_a00043"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return the source node of an arc.  <a href="#a60427cac03d2b78cf4faed7c8ff8df8e">More...</a><br/></td></tr>
<tr class="separator:a60427cac03d2b78cf4faed7c8ff8df8e inherit pub_methods_a00043"><t