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diff --git a/chapter10/docs/lattice.svg b/chapter10/docs/lattice.svg new file mode 100644 index 00000000..006ab762 --- /dev/null +++ b/chapter10/docs/lattice.svg @@ -0,0 +1,593 @@ +<?xml version="1.0" encoding="UTF-8" standalone="no"?> +<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" + "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"> +<!-- Generated by graphviz version 12.2.0 (20241103.1931) + --> +<!-- Title: Lattice Pages: 1 --> +<svg width="1551pt" height="603pt" + viewBox="0.00 0.00 1551.00 603.45" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> +<g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 599.45)"> +<title>Lattice</title> +<polygon fill="white" stroke="none" points="-4,4 -4,-599.45 1547,-599.45 1547,4 -4,4"/> +<g id="clust1" class="cluster"> +<title>cluster_control</title> +<polygon fill="none" stroke="#cccccc" points="8,-85.99 8,-524.71 98,-524.71 98,-85.99 8,-85.99"/> +<text text-anchor="middle" x="53" y="-507.41" font-family="Arial" font-size="14.00">Control</text> +</g> +<g id="clust2" class="cluster"> +<title>cluster_integer</title> +<polygon fill="none" stroke="#cccccc" points="106,-85.99 106,-524.71 404,-524.71 404,-85.99 106,-85.99"/> +<text text-anchor="middle" x="255" y="-507.41" font-family="Arial" font-size="14.00">Integer</text> +</g> +<g id="clust6" class="cluster"> +<title>cluster_pointer</title> +<polygon fill="none" stroke="#cccccc" points="412,-75 412,-535.7 893,-535.7 893,-75 412,-75"/> +<text text-anchor="middle" x="652.5" y="-518.4" font-family="Arial" font-size="14.00">Pointer = nullability × struct type</text> +</g> +<g id="clust13" class="cluster"> +<title>cluster_struct</title> +<polygon fill="none" stroke="#cccccc" points="901,-75 901,-551.45 1233,-551.45 1233,-75 901,-75"/> +<text text-anchor="middle" x="1067" y="-534.15" font-family="Arial" font-size="14.00">Struct</text> +<text text-anchor="middle" x="1067" y="-518.4" font-family="Arial" font-size="14.00">named collection of named scalar types</text> +</g> +<g id="clust17" class="cluster"> +<title>cluster_memory</title> +<polygon fill="none" stroke="#cccccc" points="1241,-85.99 1241,-524.71 1347,-524.71 1347,-85.99 1241,-85.99"/> +<text text-anchor="middle" x="1294" y="-507.41" font-family="Arial" font-size="14.00">Memory</text> +</g> +<g id="clust18" class="cluster"> +<title>cluster_tuple</title> +<polygon fill="none" stroke="#cccccc" points="1355,-85.99 1355,-540.46 1535,-540.46 1535,-85.99 1355,-85.99"/> +<text text-anchor="middle" x="1445" y="-523.16" font-family="Arial" font-size="14.00">Tuple</text> +<text text-anchor="middle" x="1445" y="-507.41" font-family="Arial" font-size="14.00">collection of types</text> +</g> +<!-- TOP --> +<g id="node1" class="node"> +<title>TOP</title> +<ellipse fill="black" stroke="black" cx="875" cy="-577.45" rx="27" ry="18"/> +<text text-anchor="middle" x="875" y="-573.35" font-family="DejaVu Sans" font-size="13.00" fill="white">⊤</text> +</g> +<!-- XCTRL --> +<g id="node3" class="node"> +<title>XCTRL</title> +<ellipse fill="#ffff00" stroke="black" cx="53" cy="-474.96" rx="36.51" ry="18"/> +<text text-anchor="middle" x="53" y="-470.86" font-family="DejaVu Sans" font-size="13.00">⊤:ctrl</text> +</g> +<!-- TOP->XCTRL --> +<g id="edge53" class="edge"> +<title>TOP->XCTRL</title> +<path fill="none" stroke="#555555" d="M847.89,-576.27C714.74,-575.32 135.11,-570.13 102,-551.45 82.18,-540.26 69.05,-517.37 61.41,-499.71"/> +<polygon fill="#555555" stroke="#555555" points="63.45,-499.15 59.24,-494.39 59.57,-500.74 63.45,-499.15"/> +</g> +<!-- INT_TOP --> +<g id="node5" class="node"> +<title>INT_TOP</title> +<ellipse fill="#add8e6" stroke="black" cx="353" cy="-474.96" rx="33.44" ry="18"/> +<text text-anchor="middle" x="353" y="-470.86" font-family="DejaVu Sans" font-size="13.00">⊤:int</text> +</g> +<!-- TOP->INT_TOP --> +<g id="edge54" class="edge"> +<title>TOP->INT_TOP</title> +<path fill="none" stroke="#555555" d="M847.84,-576.34C753.92,-575.8 446.62,-572.41 408,-551.45 387.24,-540.18 372.3,-517.29 363.27,-499.66"/> +<polygon fill="#555555" stroke="#555555" points="365.18,-498.78 360.66,-494.31 361.41,-500.63 365.18,-498.78"/> +</g> +<!-- PTR_TOP --> +<g id="node10" class="node"> +<title>PTR_TOP</title> +<ellipse fill="#008000" stroke="black" cx="715" cy="-474.96" rx="61.7" ry="28.99"/> +<text text-anchor="middle" x="715" y="-479.11" font-family="DejaVu Sans" font-size="13.00" fill="white">⊤:ptr</text> +<text text-anchor="middle" x="715" y="-462.61" font-family="DejaVu Sans" font-size="13.00" fill="white">[*⊤:struct]</text> +</g> +<!-- TOP->PTR_TOP --> +<g id="edge55" class="edge"> +<title>TOP->PTR_TOP</title> +<path fill="none" stroke="#555555" d="M855.7,-564.33C831.54,-549.16 789.48,-522.73 757.62,-502.72"/> +<polygon fill="#555555" stroke="#555555" points="758.87,-501.03 752.67,-499.62 756.64,-504.59 758.87,-501.03"/> +</g> +<!-- STRUCT_TOP --> +<g id="node20" class="node"> +<title>STRUCT_TOP</title> +<ellipse fill="#90ee90" stroke="black" cx="996" cy="-474.96" rx="64.35" ry="28.99"/> +<text text-anchor="middle" x="996" y="-479.11" font-family="DejaVu Sans" font-size="13.00">⊤:struct</text> +<text text-anchor="middle" x="996" y="-462.61" font-family="DejaVu Sans" font-size="13.00">[struct top]</text> +</g> +<!-- TOP->STRUCT_TOP --> +<g id="edge56" class="edge"> +<title>TOP->STRUCT_TOP</title> +<path fill="none" stroke="#555555" d="M891.32,-562.9C908.92,-548.28 937.5,-524.55 960.35,-505.57"/> +<polygon fill="#555555" stroke="#555555" points="961.58,-507.27 964.86,-501.82 958.9,-504.04 961.58,-507.27"/> +</g> +<!-- MEM_TOP --> +<g id="node26" class="node"> +<title>MEM_TOP</title> +<ellipse fill="#00008b" stroke="black" cx="1294" cy="-474.96" rx="44.7" ry="18"/> +<text text-anchor="middle" x="1294" y="-470.86" font-family="DejaVu Sans" font-size="13.00" fill="white">⊤:mem</text> +</g> +<!-- TOP->MEM_TOP --> +<g id="edge57" class="edge"> +<title>TOP->MEM_TOP</title> +<path fill="none" stroke="#555555" d="M902.2,-575.86C981.35,-573.98 1207.82,-567.26 1237,-551.45 1258.22,-539.95 1273.86,-516.78 1283.33,-499.12"/> +<polygon fill="#555555" stroke="#555555" points="1284.97,-500.54 1285.85,-494.24 1281.23,-498.61 1284.97,-500.54"/> +</g> +<!-- TUPLE_TOP --> +<g id="node28" class="node"> +<title>TUPLE_TOP</title> +<ellipse fill="#ffc0cb" stroke="black" cx="1408" cy="-474.96" rx="44.7" ry="18"/> +<text text-anchor="middle" x="1408" y="-470.86" font-family="DejaVu Sans" font-size="13.00">⊤:tuple</text> +</g> +<!-- TOP->TUPLE_TOP --> +<g id="edge58" class="edge"> +<title>TOP->TUPLE_TOP</title> +<path fill="none" stroke="#555555" d="M902.34,-576.35C997.63,-575.82 1311.4,-572.48 1351,-551.45 1372.31,-540.13 1387.94,-516.93 1397.39,-499.22"/> +<polygon fill="#555555" stroke="#555555" points="1399.03,-500.62 1399.89,-494.32 1395.29,-498.7 1399.03,-500.62"/> +</g> +<!-- BOT --> +<g id="node2" class="node"> +<title>BOT</title> +<ellipse fill="black" stroke="black" cx="884" cy="-18" rx="27" ry="18"/> +<text text-anchor="middle" x="884" y="-13.9" font-family="DejaVu Sans" font-size="13.00" fill="white">⊥</text> +</g> +<!-- CTRL --> +<g id="node4" class="node"> +<title>CTRL</title> +<ellipse fill="#ffff00" stroke="black" cx="53" cy="-111.99" rx="36.51" ry="18"/> +<text text-anchor="middle" x="53" y="-107.89" font-family="DejaVu Sans" font-size="13.00">⊥:ctrl</text> +</g> +<!-- XCTRL->CTRL --> +<g id="edge1" class="edge"> +<title>XCTRL->CTRL</title> +<path fill="none" stroke="#555555" d="M53,-456.55C53,-397.7 53,-206.04 53,-137.58"/> +<polygon fill="#555555" stroke="#555555" points="55.1,-137.74 53,-131.74 50.9,-137.74 55.1,-137.74"/> +</g> +<!-- XCTRL->INT_TOP --> +<!-- CTRL->BOT --> +<g id="edge59" class="edge"> +<title>CTRL->BOT</title> +<path fill="none" stroke="#555555" d="M69.29,-95.39C78.22,-87.83 89.91,-79.45 102,-75 242.26,-23.4 717.31,-19.12 849.57,-18.95"/> +<polygon fill="#555555" stroke="#555555" points="849.19,-21.05 855.19,-18.94 849.18,-16.85 849.19,-21.05"/> +</g> +<!-- INT_NEG --> +<g id="node7" class="node"> +<title>INT_NEG</title> +<ellipse fill="#add8e6" stroke="black" cx="169" cy="-216.97" rx="55.45" ry="18"/> +<text text-anchor="middle" x="169" y="-212.87" font-family="DejaVu Sans" font-size="13.00">… −2, −1</text> +</g> +<!-- INT_TOP->INT_NEG --> +<g id="edge4" class="edge"> +<title>INT_TOP->INT_NEG</title> +<path fill="none" stroke="#555555" d="M338.42,-458.38C324.81,-443.56 304.22,-420.4 288,-398.97 246.77,-344.48 204.12,-276.17 182.84,-241.1"/> +<polygon fill="#555555" stroke="#555555" points="184.8,-240.29 179.9,-236.24 181.21,-242.46 184.8,-240.29"/> +</g> +<!-- INT_ZERO --> +<g id="node8" class="node"> +<title>INT_ZERO</title> +<ellipse fill="#add8e6" stroke="black" cx="267" cy="-216.97" rx="27" ry="18"/> +<text text-anchor="middle" x="267" y="-212.87" font-family="DejaVu Sans" font-size="13.00">0</text> +</g> +<!-- INT_TOP->INT_ZERO --> +<g id="edge5" class="edge"> +<title>INT_TOP->INT_ZERO</title> +<path fill="none" stroke="#555555" d="M347.22,-456.76C332.26,-412.21 292.18,-292.93 275,-241.79"/> +<polygon fill="#555555" stroke="#555555" points="277.02,-241.21 273.12,-236.19 273.04,-242.55 277.02,-241.21"/> +</g> +<!-- INT_POS --> +<g id="node9" class="node"> +<title>INT_POS</title> +<ellipse fill="#add8e6" stroke="black" cx="353" cy="-216.97" rx="43.16" ry="18"/> +<text text-anchor="middle" x="353" y="-212.87" font-family="DejaVu Sans" font-size="13.00">1, 2, …</text> +</g> +<!-- INT_TOP->INT_POS --> +<g id="edge6" class="edge"> +<title>INT_TOP->INT_POS</title> +<path fill="none" stroke="#555555" d="M353,-456.76C353,-412.51 353,-294.56 353,-242.85"/> +<polygon fill="#555555" stroke="#555555" points="355.1,-242.94 353,-236.94 350.9,-242.94 355.1,-242.94"/> +</g> +<!-- INT_TOP->PTR_TOP --> +<!-- INT_BOT --> +<g id="node6" class="node"> +<title>INT_BOT</title> +<ellipse fill="#add8e6" stroke="black" cx="310" cy="-111.99" rx="33.44" ry="18"/> +<text text-anchor="middle" x="310" y="-107.89" font-family="DejaVu Sans" font-size="13.00">⊥:int</text> +</g> +<!-- INT_BOT->BOT --> +<g id="edge60" class="edge"> +<title>INT_BOT->BOT</title> +<path fill="none" stroke="#555555" d="M335.28,-99.84C354.78,-91.7 382.61,-81.07 408,-75 570.29,-36.22 770.4,-23.83 849.5,-20.29"/> +<polygon fill="#555555" stroke="#555555" points="849.36,-22.39 855.26,-20.04 849.17,-18.2 849.36,-22.39"/> +</g> +<!-- INT_NEG->INT_BOT --> +<g id="edge7" class="edge"> +<title>INT_NEG->INT_BOT</title> +<path fill="none" stroke="#555555" d="M190.72,-200.11C216.15,-181.54 258.17,-150.85 284.95,-131.29"/> +<polygon fill="#555555" stroke="#555555" points="285.92,-133.18 289.52,-127.95 283.44,-129.79 285.92,-133.18"/> +</g> +<!-- INT_NEG->INT_ZERO --> +<!-- INT_ZERO->INT_BOT --> +<g id="edge8" class="edge"> +<title>INT_ZERO->INT_BOT</title> +<path fill="none" stroke="#555555" d="M273.91,-199.43C281.01,-182.41 292.14,-155.76 300.16,-136.55"/> +<polygon fill="#555555" stroke="#555555" points="302.01,-137.58 302.38,-131.24 298.13,-135.96 302.01,-137.58"/> +</g> +<!-- INT_ZERO->INT_POS --> +<!-- INT_POS->INT_BOT --> +<g id="edge9" class="edge"> +<title>INT_POS->INT_BOT</title> +<path fill="none" stroke="#555555" d="M345.9,-198.97C338.83,-182.05 327.93,-155.94 319.99,-136.93"/> +<polygon fill="#555555" stroke="#555555" points="321.94,-136.15 317.69,-131.42 318.07,-137.76 321.94,-136.15"/> +</g> +<!-- PTR_NULL --> +<g id="node12" class="node"> +<title>PTR_NULL</title> +<ellipse fill="#008000" stroke="black" cx="799" cy="-345.97" rx="27.3" ry="18"/> +<text text-anchor="middle" x="799" y="-341.87" font-family="DejaVu Sans" font-size="13.00" fill="white">null</text> +</g> +<!-- PTR_TOP->PTR_NULL --> +<g id="edge16" class="edge"> +<title>PTR_TOP->PTR_NULL</title> +<path fill="none" stroke="#555555" d="M732.81,-447.03C748.16,-423.83 770.03,-390.77 784.37,-369.09"/> +<polygon fill="#555555" stroke="#555555" points="785.98,-370.45 787.54,-364.29 782.48,-368.13 785.98,-370.45"/> +</g> +<!-- PTR_PERSON --> +<g id="node14" class="node"> +<title>PTR_PERSON</title> +<ellipse fill="#008000" stroke="black" cx="542" cy="-345.97" rx="45.72" ry="18"/> +<text text-anchor="middle" x="542" y="-341.87" font-family="DejaVu Sans" font-size="13.00" fill="white">*Person</text> +</g> +<!-- PTR_TOP->PTR_PERSON --> +<g id="edge17" class="edge"> +<title>PTR_TOP->PTR_PERSON</title> +<path fill="none" stroke="#555555" d="M675.88,-452.05C651.99,-438.01 621.28,-418.77 596,-398.97 584.24,-389.76 572.18,-378.36 562.44,-368.58"/> +<polygon fill="#555555" stroke="#555555" points="564.05,-367.22 558.35,-364.42 561.06,-370.17 564.05,-367.22"/> +</g> +<!-- PTR_S1 --> +<g id="node15" class="node"> +<title>PTR_S1</title> +<ellipse fill="#008000" stroke="black" cx="631" cy="-345.97" rx="27" ry="18"/> +<text text-anchor="middle" x="631" y="-341.87" font-family="DejaVu Sans" font-size="13.00" fill="white">*s1</text> +</g> +<!-- PTR_TOP->PTR_S1 --> +<g id="edge18" class="edge"> +<title>PTR_TOP->PTR_S1</title> +<path fill="none" stroke="#555555" d="M697.19,-447.03C681.84,-423.83 659.97,-390.77 645.63,-369.09"/> +<polygon fill="#555555" stroke="#555555" points="647.52,-368.13 642.46,-364.29 644.02,-370.45 647.52,-368.13"/> +</g> +<!-- PTR_MORE --> +<g id="node16" class="node"> +<title>PTR_MORE</title> +<ellipse fill="#008000" stroke="black" cx="715" cy="-345.97" rx="40.6" ry="18"/> +<text text-anchor="middle" x="715" y="-341.87" font-family="DejaVu Sans" font-size="13.00" fill="white">*s2, …</text> +</g> +<!-- PTR_TOP->PTR_MORE --> +<g id="edge19" class="edge"> +<title>PTR_TOP->PTR_MORE</title> +<path fill="none" stroke="#555555" d="M715,-445.77C715,-423.52 715,-392.77 715,-371.51"/> +<polygon fill="#555555" stroke="#555555" points="717.1,-371.66 715,-365.66 712.9,-371.66 717.1,-371.66"/> +</g> +<!-- PTR_TOP->STRUCT_TOP --> +<!-- PTR_BOT --> +<g id="node11" class="node"> +<title>PTR_BOT</title> +<ellipse fill="#008000" stroke="black" cx="748" cy="-111.99" rx="66.47" ry="28.99"/> +<text text-anchor="middle" x="748" y="-116.14" font-family="DejaVu Sans" font-size="13.00" fill="white">⊥:ptr</text> +<text text-anchor="middle" x="748" y="-99.64" font-family="DejaVu Sans" font-size="13.00" fill="white">[*⊥:struct?]</text> +</g> +<!-- PTR_BOT->BOT --> +<g id="edge61" class="edge"> +<title>PTR_BOT->BOT</title> +<path fill="none" stroke="#555555" d="M783.38,-87.06C807.3,-70.88 838.29,-49.92 859.52,-35.56"/> +<polygon fill="#555555" stroke="#555555" points="860.46,-37.46 864.25,-32.36 858.1,-33.98 860.46,-37.46"/> +</g> +<!-- PTR_PERSON_NIL --> +<g id="node17" class="node"> +<title>PTR_PERSON_NIL</title> +<ellipse fill="#008000" stroke="black" cx="651" cy="-216.97" rx="50.33" ry="18"/> +<text text-anchor="middle" x="651" y="-212.87" font-family="DejaVu Sans" font-size="13.00" fill="white">*Person?</text> +</g> +<!-- PTR_NULL->PTR_PERSON_NIL --> +<g id="edge26" class="edge"> +<title>PTR_NULL->PTR_PERSON_NIL</title> +<path fill="none" stroke="#555555" d="M790.34,-328.75C783.99,-317.83 774.65,-303.55 764,-292.97 740.64,-269.76 709.08,-249.53 685.25,-235.95"/> +<polygon fill="#555555" stroke="#555555" points="686.33,-234.14 680.07,-233.04 684.27,-237.8 686.33,-234.14"/> +</g> +<!-- PTR_S1_NIL --> +<g id="node18" class="node"> +<title>PTR_S1_NIL</title> +<ellipse fill="#008000" stroke="black" cx="748" cy="-216.97" rx="30.37" ry="18"/> +<text text-anchor="middle" x="748" y="-212.87" font-family="DejaVu Sans" font-size="13.00" fill="white">*s1?</text> +</g> +<!-- PTR_NULL->PTR_S1_NIL --> +<g id="edge27" class="edge"> +<title>PTR_NULL->PTR_S1_NIL</title> +<path fill="none" stroke="#555555" d="M792.23,-328.1C783.31,-305.9 767.59,-266.75 757.49,-241.6"/> +<polygon fill="#555555" stroke="#555555" points="759.55,-241.1 755.36,-236.31 755.65,-242.66 759.55,-241.1"/> +</g> +<!-- PTR_MORE_NIL --> +<g id="node19" class="node"> +<title>PTR_MORE_NIL</title> +<ellipse fill="#008000" stroke="black" cx="840" cy="-216.97" rx="45.21" ry="18"/> +<text text-anchor="middle" x="840" y="-212.87" font-family="DejaVu Sans" font-size="13.00" fill="white">*s2?, …</text> +</g> +<!-- PTR_NULL->PTR_MORE_NIL --> +<g id="edge28" class="edge"> +<title>PTR_NULL->PTR_MORE_NIL</title> +<path fill="none" stroke="#555555" d="M804.53,-327.84C811.65,-305.78 824.07,-267.3 832.17,-242.24"/> +<polygon fill="#555555" stroke="#555555" points="834.12,-243.03 833.96,-236.68 830.12,-241.74 834.12,-243.03"/> +</g> +<!-- PTR_ANY --> +<g id="node13" class="node"> +<title>PTR_ANY</title> +<ellipse fill="#008000" stroke="black" cx="502" cy="-216.97" rx="82.38" ry="28.99"/> +<text text-anchor="middle" x="502" y="-221.12" font-family="DejaVu Sans" font-size="13.00" fill="white">*⊥:struct</text> +<text text-anchor="middle" x="502" y="-204.62" font-family="DejaVu Sans" font-size="13.00" fill="white">[ptr any struct]</text> +</g> +<!-- PTR_ANY->PTR_BOT --> +<g id="edge29" class="edge"> +<title>PTR_ANY->PTR_BOT</title> +<path fill="none" stroke="#555555" d="M554.17,-194.13C595.32,-176.91 652.51,-152.97 694.1,-135.56"/> +<polygon fill="#555555" stroke="#555555" points="694.78,-137.55 699.5,-133.29 693.15,-133.67 694.78,-137.55"/> +</g> +<!-- PTR_ANY->PTR_PERSON_NIL --> +<!-- PTR_PERSON->PTR_ANY --> +<g id="edge20" class="edge"> +<title>PTR_PERSON->PTR_ANY</title> +<path fill="none" stroke="#555555" d="M536.61,-327.84C530.59,-308.74 520.69,-277.32 513.02,-252.97"/> +<polygon fill="#555555" stroke="#555555" points="515.08,-252.52 511.28,-247.43 511.08,-253.78 515.08,-252.52"/> +</g> +<!-- PTR_PERSON->PTR_S1 --> +<!-- PTR_PERSON->PTR_PERSON_NIL --> +<g id="edge23" class="edge"> +<title>PTR_PERSON->PTR_PERSON_NIL</title> +<path fill="none" stroke="#555555" d="M556.03,-328.62C575.38,-306.08 610.32,-265.36 632,-240.11"/> +<polygon fill="#555555" stroke="#555555" points="633.38,-241.73 635.7,-235.81 630.19,-238.99 633.38,-241.73"/> +</g> +<!-- PTR_S1->PTR_ANY --> +<g id="edge21" class="edge"> +<title>PTR_S1->PTR_ANY</title> +<path fill="none" stroke="#555555" d="M621.75,-328.57C615.28,-317.84 606.03,-303.85 596,-292.97 580.61,-276.28 561.35,-260.24 544.26,-247.31"/> +<polygon fill="#555555" stroke="#555555" points="545.84,-245.87 539.78,-243.96 543.32,-249.23 545.84,-245.87"/> +</g> +<!-- PTR_S1->PTR_MORE --> +<!-- PTR_S1->PTR_S1_NIL --> +<g id="edge24" class="edge"> +<title>PTR_S1->PTR_S1_NIL</title> +<path fill="none" stroke="#555555" d="M640.49,-328.79C647.07,-318.15 656.34,-304.18 666,-292.97 684.1,-271.96 707.73,-250.9 724.97,-236.47"/> +<polygon fill="#555555" stroke="#555555" points="726.11,-238.25 729.39,-232.8 723.43,-235.02 726.11,-238.25"/> +</g> +<!-- PTR_MORE->PTR_NULL --> +<!-- PTR_MORE->PTR_ANY --> +<g id="edge22" class="edge"> +<title>PTR_MORE->PTR_ANY</title> +<path fill="none" stroke="#555555" d="M702.63,-328.84C693.45,-317.69 680.11,-303.08 666,-292.97 635.59,-271.17 597.84,-253.38 566.22,-240.61"/> +<polygon fill="#555555" stroke="#555555" points="567.33,-238.79 560.98,-238.52 565.78,-242.69 567.33,-238.79"/> +</g> +<!-- PTR_MORE->PTR_MORE_NIL --> +<g id="edge25" class="edge"> +<title>PTR_MORE->PTR_MORE_NIL</title> +<path fill="none" stroke="#555555" d="M729.86,-328.89C739.5,-318.54 752.38,-304.85 764,-292.97 782,-274.55 802.85,-254.03 818.15,-239.12"/> +<polygon fill="#555555" stroke="#555555" points="819.6,-240.64 822.44,-234.95 816.67,-237.63 819.6,-240.64"/> +</g> +<!-- PTR_PERSON_NIL->PTR_BOT --> +<g id="edge30" class="edge"> +<title>PTR_PERSON_NIL->PTR_BOT</title> +<path fill="none" stroke="#555555" d="M666.58,-199.43C680.58,-184.56 701.51,-162.35 718.65,-144.16"/> +<polygon fill="#555555" stroke="#555555" points="719.75,-146.05 722.33,-140.24 716.69,-143.17 719.75,-146.05"/> +</g> +<!-- PTR_PERSON_NIL->PTR_S1_NIL --> +<!-- PTR_S1_NIL->PTR_BOT --> +<g id="edge31" class="edge"> +<title>PTR_S1_NIL->PTR_BOT</title> +<path fill="none" stroke="#555555" d="M748,-198.5C748,-184.97 748,-165.76 748,-148.97"/> +<polygon fill="#555555" stroke="#555555" points="750.1,-148.97 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d="M990.23,-446.07C979.97,-396.53 958.69,-293.77 948.58,-244.91"/> +<polygon fill="#555555" stroke="#555555" points="950.69,-244.75 947.42,-239.3 946.58,-245.61 950.69,-244.75"/> +</g> +<!-- STRUCT_S1 --> +<g id="node23" class="node"> +<title>STRUCT_S1</title> +<polygon fill="#90ee90" stroke="black" points="1047,-237.47 993,-237.47 993,-196.47 1047,-196.47 1047,-237.47"/> +<text text-anchor="middle" x="1020" y="-221.12" font-family="DejaVu Sans" font-size="13.00">s1</text> +<text text-anchor="middle" x="1020" y="-204.62" font-family="DejaVu Sans" font-size="13.00">x: int</text> +</g> +<!-- STRUCT_TOP->STRUCT_S1 --> +<g id="edge37" class="edge"> +<title>STRUCT_TOP->STRUCT_S1</title> +<path fill="none" stroke="#555555" d="M998.66,-445.58C1003.32,-395.91 1012.89,-293.85 1017.46,-245.08"/> +<polygon fill="#555555" stroke="#555555" points="1019.54,-245.41 1018.01,-239.24 1015.36,-245.02 1019.54,-245.41"/> +</g> +<!-- STRUCT_S2 --> +<g id="node24" class="node"> +<title>STRUCT_S2</title> 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stroke="#555555" points="909.78,-33.9 903.63,-32.28 907.42,-37.38 909.78,-33.9"/> +</g> +<!-- STRUCT_PERSON->STRUCT_BOT --> +<g id="edge40" class="edge"> +<title>STRUCT_PERSON->STRUCT_BOT</title> +<path fill="none" stroke="#555555" d="M957.85,-196.12C968.43,-181.96 982.92,-162.59 995.24,-146.11"/> +<polygon fill="#555555" stroke="#555555" points="996.85,-147.46 998.76,-141.4 993.49,-144.94 996.85,-147.46"/> +</g> +<!-- STRUCT_PERSON->STRUCT_S1 --> +<!-- STRUCT_S1->STRUCT_BOT --> +<g id="edge41" class="edge"> +<title>STRUCT_S1->STRUCT_BOT</title> +<path fill="none" stroke="#555555" d="M1020,-196.12C1020,-182.64 1020,-164.43 1020,-148.49"/> +<polygon fill="#555555" stroke="#555555" points="1022.1,-148.87 1020,-142.87 1017.9,-148.87 1022.1,-148.87"/> +</g> +<!-- STRUCT_S1->STRUCT_S2 --> +<!-- STRUCT_S2->STRUCT_BOT --> +<g id="edge42" class="edge"> +<title>STRUCT_S2->STRUCT_BOT</title> +<path fill="none" stroke="#555555" d="M1091.84,-196.12C1079.5,-181.83 1062.57,-162.25 1048.25,-145.68"/> +<polygon fill="#555555" stroke="#555555" points="1050,-144.5 1044.49,-141.33 1046.82,-147.24 1050,-144.5"/> +</g> +<!-- STRUCT_S2->STRUCT_MORE --> +<!-- STRUCT_MORE->STRUCT_BOT --> +<g id="edge43" class="edge"> +<title>STRUCT_MORE->STRUCT_BOT</title> +<path fill="none" stroke="#555555" d="M1177.76,-198.72C1173.05,-195 1167.95,-191.22 1163,-187.98 1135.19,-169.81 1102.49,-152.39 1075.38,-138.93"/> +<polygon fill="#555555" stroke="#555555" points="1076.64,-137.21 1070.33,-136.44 1074.78,-140.97 1076.64,-137.21"/> +</g> +<!-- MEM_BOT --> +<g id="node27" class="node"> +<title>MEM_BOT</title> +<ellipse fill="#00008b" stroke="black" cx="1294" cy="-111.99" rx="44.7" ry="18"/> +<text text-anchor="middle" x="1294" y="-107.89" font-family="DejaVu Sans" font-size="13.00" fill="white">⊥:mem</text> +</g> +<!-- MEM_TOP->MEM_BOT --> +<g id="edge44" class="edge"> +<title>MEM_TOP->MEM_BOT</title> +<path fill="none" stroke="#555555" d="M1294,-456.55C1294,-397.7 1294,-206.04 1294,-137.58"/> +<polygon 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