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RosettaCodeData/Task/Polymorphism/Phix/polymorphism-2.phix

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<span style="color: #008080;">class</span> <span style="color: #000000;">Point</span>
<span style="color: #004080;">atom</span> <span style="color: #000000;">x</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">y</span>
<span style="color: #008080;">function</span> <span style="color: #000000;">Point</span><span style="color: #0000FF;">(</span><span style="color: #004080;">object</span> <span style="color: #000000;">x</span><span style="color: #0000FF;">,</span> <span style="color: #004080;">atom</span> <span style="color: #000000;">y</span><span style="color: #0000FF;">=</span><span style="color: #000000;">0</span><span style="color: #0000FF;">)</span>
<span style="color: #008080;">if</span> <span style="color: #000000;">Point</span><span style="color: #0000FF;">(</span><span style="color: #000000;">x</span><span style="color: #0000FF;">)</span> <span style="color: #008080;">then</span>
<span style="color: #008080;">this</span><span style="color: #0000FF;">.</span><span style="color: #000000;">x</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">x</span><span style="color: #0000FF;">.</span><span style="color: #000000;">x</span>
<span style="color: #008080;">this</span><span style="color: #0000FF;">.</span><span style="color: #000000;">y</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">x</span><span style="color: #0000FF;">.</span><span style="color: #000000;">y</span>
<span style="color: #008080;">else</span>
<span style="color: #008080;">this</span><span style="color: #0000FF;">.</span><span style="color: #000000;">x</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">x</span>
<span style="color: #008080;">this</span><span style="color: #0000FF;">.</span><span style="color: #000000;">y</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">y</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
<span style="color: #008080;">return</span> <span style="color: #008080;">this</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
<span style="color: #008080;">function</span> <span style="color: #000000;">get_x</span><span style="color: #0000FF;">()</span> <span style="color: #008080;">return</span> <span style="color: #000000;">x</span> <span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
<span style="color: #008080;">function</span> <span style="color: #000000;">get_y</span><span style="color: #0000FF;">()</span> <span style="color: #008080;">return</span> <span style="color: #000000;">y</span> <span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
<span style="color: #008080;">procedure</span> <span style="color: #000000;">set_x</span><span style="color: #0000FF;">(</span><span style="color: #004080;">atom</span> <span style="color: #000000;">x</span><span style="color: #0000FF;">)</span> <span style="color: #008080;">this</span><span style="color: #0000FF;">.</span><span style="color: #000000;">x</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">x</span> <span style="color: #008080;">end</span> <span style="color: #008080;">procedure</span>
<span style="color: #008080;">procedure</span> <span style="color: #000000;">set_y</span><span style="color: #0000FF;">(</span><span style="color: #004080;">atom</span> <span style="color: #000000;">y</span><span style="color: #0000FF;">)</span> <span style="color: #008080;">this</span><span style="color: #0000FF;">.</span><span style="color: #000000;">y</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">y</span> <span style="color: #008080;">end</span> <span style="color: #008080;">procedure</span>
<span style="color: #008080;">procedure</span> <span style="color: #000000;">show</span><span style="color: #0000FF;">()</span>
<span style="color: #7060A8;">printf</span><span style="color: #0000FF;">(</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"point (%g,%g)\n"</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">x</span><span style="color: #0000FF;">,</span><span style="color: #000000;">y</span><span style="color: #0000FF;">})</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">procedure</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">class</span>
<span style="color: #008080;">class</span> <span style="color: #000000;">Circle</span> <span style="color: #008080;">extends</span> <span style="color: #000000;">Point</span>
<span style="color: #004080;">atom</span> <span style="color: #000000;">r</span>
<span style="color: #008080;">function</span> <span style="color: #000000;">Circle</span><span style="color: #0000FF;">(</span><span style="color: #004080;">object</span> <span style="color: #000000;">x</span><span style="color: #0000FF;">,</span> <span style="color: #004080;">atom</span> <span style="color: #000000;">y</span><span style="color: #0000FF;">=</span><span style="color: #000000;">0</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">r</span><span style="color: #0000FF;">=</span><span style="color: #000000;">0</span><span style="color: #0000FF;">)</span>
<span style="color: #008080;">if</span> <span style="color: #000000;">Circle</span><span style="color: #0000FF;">(</span><span style="color: #000000;">x</span><span style="color: #0000FF;">)</span> <span style="color: #008080;">then</span>
<span style="color: #008080;">this</span><span style="color: #0000FF;">.</span><span style="color: #000000;">x</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">x</span><span style="color: #0000FF;">.</span><span style="color: #000000;">x</span>
<span style="color: #008080;">this</span><span style="color: #0000FF;">.</span><span style="color: #000000;">y</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">x</span><span style="color: #0000FF;">.</span><span style="color: #000000;">y</span>
<span style="color: #008080;">this</span><span style="color: #0000FF;">.</span><span style="color: #000000;">r</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">x</span><span style="color: #0000FF;">.</span><span style="color: #000000;">r</span>
<span style="color: #008080;">elsif</span> <span style="color: #000000;">Point</span><span style="color: #0000FF;">(</span><span style="color: #000000;">x</span><span style="color: #0000FF;">)</span> <span style="color: #008080;">then</span>
<span style="color: #000000;">r</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">y</span> <span style="color: #000080;font-style:italic;">-- assume r got passed in y</span>
<span style="color: #008080;">this</span><span style="color: #0000FF;">.</span><span style="color: #000000;">x</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">x</span><span style="color: #0000FF;">.</span><span style="color: #000000;">x</span>
<span style="color: #008080;">this</span><span style="color: #0000FF;">.</span><span style="color: #000000;">y</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">x</span><span style="color: #0000FF;">.</span><span style="color: #000000;">y</span>
<span style="color: #008080;">this</span><span style="color: #0000FF;">.</span><span style="color: #000000;">r</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">r</span>
<span style="color: #008080;">else</span>
<span style="color: #008080;">this</span><span style="color: #0000FF;">.</span><span style="color: #000000;">x</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">x</span>
<span style="color: #008080;">this</span><span style="color: #0000FF;">.</span><span style="color: #000000;">y</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">y</span>
<span style="color: #008080;">this</span><span style="color: #0000FF;">.</span><span style="color: #000000;">r</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">r</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
<span style="color: #008080;">return</span> <span style="color: #008080;">this</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
<span style="color: #008080;">function</span> <span style="color: #000000;">get_r</span><span style="color: #0000FF;">()</span> <span style="color: #008080;">return</span> <span style="color: #000000;">r</span> <span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
<span style="color: #008080;">procedure</span> <span style="color: #000000;">set_r</span><span style="color: #0000FF;">(</span><span style="color: #004080;">atom</span> <span style="color: #000000;">r</span><span style="color: #0000FF;">)</span> <span style="color: #008080;">this</span><span style="color: #0000FF;">.</span><span style="color: #000000;">r</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">r</span> <span style="color: #008080;">end</span> <span style="color: #008080;">procedure</span>
<span style="color: #008080;">procedure</span> <span style="color: #000000;">show</span><span style="color: #0000FF;">()</span>
<span style="color: #7060A8;">printf</span><span style="color: #0000FF;">(</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"circle (%g,%g,%g)\n"</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">x</span><span style="color: #0000FF;">,</span><span style="color: #000000;">y</span><span style="color: #0000FF;">,</span><span style="color: #000000;">r</span><span style="color: #0000FF;">})</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">procedure</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">class</span>
<span style="color: #000000;">Point</span> <span style="color: #000000;">p1</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">new</span><span style="color: #0000FF;">({</span><span style="color: #000000;">4</span><span style="color: #0000FF;">,</span><span style="color: #000000;">5</span><span style="color: #0000FF;">}),</span>
<span style="color: #000000;">p2</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">new</span><span style="color: #0000FF;">({</span><span style="color: #000000;">p1</span><span style="color: #0000FF;">})</span>
<span style="color: #000000;">p1</span><span style="color: #0000FF;">.</span><span style="color: #000000;">y</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">7</span>
<span style="color: #000000;">Circle</span> <span style="color: #000000;">c1</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">new</span><span style="color: #0000FF;">({</span><span style="color: #000000;">p1</span><span style="color: #0000FF;">,</span><span style="color: #000000;">9</span><span style="color: #0000FF;">}),</span>
<span style="color: #000000;">c2</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">new</span><span style="color: #0000FF;">({</span><span style="color: #000000;">c1</span><span style="color: #0000FF;">}),</span>
<span style="color: #000000;">c3</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">new</span><span style="color: #0000FF;">({</span><span style="color: #000000;">10</span><span style="color: #0000FF;">,</span><span style="color: #000000;">11</span><span style="color: #0000FF;">,</span><span style="color: #000000;">12</span><span style="color: #0000FF;">})</span>
<span style="color: #000000;">c1</span><span style="color: #0000FF;">.</span><span style="color: #000000;">r</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">8</span>
<span style="color: #000000;">p1</span><span style="color: #0000FF;">.</span><span style="color: #000000;">show</span><span style="color: #0000FF;">()</span>
<span style="color: #000000;">p2</span><span style="color: #0000FF;">.</span><span style="color: #000000;">show</span><span style="color: #0000FF;">()</span>
<span style="color: #000000;">c1</span><span style="color: #0000FF;">.</span><span style="color: #000000;">show</span><span style="color: #0000FF;">()</span>
<span style="color: #000000;">c2</span><span style="color: #0000FF;">.</span><span style="color: #000000;">show</span><span style="color: #0000FF;">()</span>
<span style="color: #000000;">c3</span><span style="color: #0000FF;">.</span><span style="color: #000000;">show</span><span style="color: #0000FF;">()</span>
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