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Graph representation of Dirk's Laurie Lua dictionary
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<y:NodeLabel alignment="right" autoSizePolicy="node_width" backgroundColor="#EBEBEB" borderDistance="0.0" fontFamily="Dialog" fontSize="15" fontStyle="plain" hasLineColor="false" height="21.4609375" modelName="internal" modelPosition="t" textColor="#000000" visible="true" width="74.74462890625" x="-12.372314453125" y="0.0">Folder 13</y:NodeLabel>
<y:Shape type="roundrectangle"/>
<y:State closed="true" closedHeight="50.0" closedWidth="50.0" innerGraphDisplayEnabled="false"/>
<y:Insets bottom="5" bottomF="5.0" left="5" leftF="5.0" right="5" rightF="5.0" top="5" topF="5.0"/>
<y:BorderInsets bottom="0" bottomF="0.0" left="0" leftF="0.0" right="0" rightF="0.0" top="0" topF="0.0"/>
</y:GroupNode>
</y:Realizers>
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<y:Fill color="#FFFFFF" transparent="false"/>
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<y:NodeLabel alignment="left" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="101.78125" modelName="custom" textColor="#000000" visible="true" width="418.48046875" x="5.0" y="8.484375">A statement that specifies that one or more names have local scope
and optionally initializes them.
local x, y = 1 -- x gets the value 1, y gets the value nil.
Names that have global scope are declared implicitly, i.e. they count
as declared, with value nil, the moment you use them.<y:LabelModel>
<y:SmartNodeLabelModel distance="4.0"/>
</y:LabelModel>
<y:ModelParameter>
<y:SmartNodeLabelModelParameter labelRatioX="0.0" labelRatioY="0.0" nodeRatioX="0.0" nodeRatioY="0.0" offsetX="0.0" offsetY="0.0" upX="0.0" upY="-1.0"/>
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<y:BorderInsets bottom="0" bottomF="0.0" left="0" leftF="0.0" right="0" rightF="0.0" top="0" topF="0.0"/>
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<y:Fill color="#F5F5F5" transparent="false"/>
<y:BorderStyle color="#000000" type="dashed" width="1.0"/>
<y:NodeLabel alignment="right" autoSizePolicy="node_width" backgroundColor="#EBEBEB" borderDistance="0.0" fontFamily="Dialog" fontSize="15" fontStyle="plain" hasLineColor="false" height="21.4609375" modelName="internal" modelPosition="t" textColor="#000000" visible="true" width="74.74462890625" x="-12.372314453125" y="0.0">Folder 14</y:NodeLabel>
<y:Shape type="roundrectangle"/>
<y:State closed="true" closedHeight="50.0" closedWidth="50.0" innerGraphDisplayEnabled="false"/>
<y:Insets bottom="5" bottomF="5.0" left="5" leftF="5.0" right="5" rightF="5.0" top="5" topF="5.0"/>
<y:BorderInsets bottom="0" bottomF="0.0" left="0" leftF="0.0" right="0" rightF="0.0" top="0" topF="0.0"/>
</y:GroupNode>
</y:Realizers>
</y:ProxyAutoBoundsNode>
</data>
<graph edgedefault="directed" id="n13:">
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<y:ShapeNode>
<y:Geometry height="265.4375" width="437.796875" x="1414.75860986091" y="1585.370833218345"/>
<y:Fill color="#FFFFFF" transparent="false"/>
<y:BorderStyle color="#000000" type="line" width="1.0"/>
<y:NodeLabel alignment="left" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="255.4375" modelName="custom" textColor="#000000" visible="true" width="427.796875" x="5.0" y="5.0">The part of a program inside which a local variable is visible,
i.e. recognized by the compiler.
The scope starts when the variable is declared and goes to just before
an unmatched "end", or up to and including an unmatched "until".
The end can be matched by a previous begin, if, while or function.
local a,b -- a and b are now visible
begin
local a -- the previous variable called `a` is now shadowed
c = a + b -- the scope of the most recent `a` ends here
end -- this `end` is matched by the previous begin
-- for the most recent `a`, it is unmatched.
d = a+b -- the original `a` is visible again
repeat
local i
until i&gt;10 -- the scope of i ends here <y:LabelModel>
<y:SmartNodeLabelModel distance="4.0"/>
</y:LabelModel>
<y:ModelParameter>
<y:SmartNodeLabelModelParameter labelRatioX="0.0" labelRatioY="0.0" nodeRatioX="0.0" nodeRatioY="0.0" offsetX="0.0" offsetY="0.0" upX="0.0" upY="-1.0"/>
</y:ModelParameter>
</y:NodeLabel>
<y:Shape type="roundrectangle"/>
</y:ShapeNode>
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<y:NodeLabel alignment="right" autoSizePolicy="node_width" backgroundColor="#EBEBEB" borderDistance="0.0" fontFamily="Dialog" fontSize="15" fontStyle="plain" hasLineColor="false" height="21.4609375" modelName="internal" modelPosition="t" textColor="#000000" visible="true" width="266.896484375" x="0.0" y="0.0">closure</y:NodeLabel>
<y:Shape type="roundrectangle"/>
<y:State closed="false" closedHeight="50.0" closedWidth="50.0" innerGraphDisplayEnabled="false"/>
<y:NodeBounds considerNodeLabelSize="true"/>
<y:Insets bottom="15" bottomF="15.0" left="15" leftF="15.0" right="15" rightF="15.0" top="15" topF="15.0"/>
<y:BorderInsets bottom="0" bottomF="0.0" left="0" leftF="0.0" right="0" rightF="0.0" top="0" topF="0.0"/>
</y:GroupNode>
<y:GroupNode>
<y:Geometry height="50.0" width="50.0" x="0.0" y="60.0"/>
<y:Fill color="#F5F5F5" transparent="false"/>
<y:BorderStyle color="#000000" type="dashed" width="1.0"/>
<y:NodeLabel alignment="right" autoSizePolicy="node_width" backgroundColor="#EBEBEB" borderDistance="0.0" fontFamily="Dialog" fontSize="15" fontStyle="plain" hasLineColor="false" height="21.4609375" modelName="internal" modelPosition="t" textColor="#000000" visible="true" width="74.74462890625" x="-12.372314453125" y="0.0">Folder 15</y:NodeLabel>
<y:Shape type="roundrectangle"/>
<y:State closed="true" closedHeight="50.0" closedWidth="50.0" innerGraphDisplayEnabled="false"/>
<y:Insets bottom="5" bottomF="5.0" left="5" leftF="5.0" right="5" rightF="5.0" top="5" topF="5.0"/>
<y:BorderInsets bottom="0" bottomF="0.0" left="0" leftF="0.0" right="0" rightF="0.0" top="0" topF="0.0"/>
</y:GroupNode>
</y:Realizers>
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<y:Fill color="#FFFFFF" transparent="false"/>
<y:BorderStyle color="#000000" type="line" width="1.0"/>
<y:NodeLabel alignment="left" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="17.96875" modelName="custom" textColor="#000000" visible="true" width="226.896484375" x="5.0" y="6.015625">A function bundled with its upvalues.<y:LabelModel>
<y:SmartNodeLabelModel distance="4.0"/>
</y:LabelModel>
<y:ModelParameter>
<y:SmartNodeLabelModelParameter labelRatioX="0.0" labelRatioY="0.0" nodeRatioX="0.0" nodeRatioY="0.0" offsetX="0.0" offsetY="0.0" upX="0.0" upY="-1.0"/>
</y:ModelParameter>
</y:NodeLabel>
<y:Shape type="roundrectangle"/>
</y:ShapeNode>
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<node id="n15" yfiles.foldertype="group">
<data key="d4"/>
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<data key="d6">
<y:ProxyAutoBoundsNode>
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<y:GroupNode>
<y:Geometry height="81.4609375" width="432.60546875" x="2687.7191846649584" y="29.98458114213645"/>
<y:Fill color="#F5F5F5" transparent="false"/>
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<y:NodeLabel alignment="right" autoSizePolicy="node_width" backgroundColor="#EBEBEB" borderDistance="0.0" fontFamily="Dialog" fontSize="15" fontStyle="plain" hasLineColor="false" height="21.4609375" modelName="internal" modelPosition="t" textColor="#000000" visible="true" width="432.60546875" x="0.0" y="0.0">upvalue</y:NodeLabel>
<y:Shape type="roundrectangle"/>
<y:State closed="false" closedHeight="50.0" closedWidth="50.0" innerGraphDisplayEnabled="false"/>
<y:NodeBounds considerNodeLabelSize="true"/>
<y:Insets bottom="15" bottomF="15.0" left="15" leftF="15.0" right="15" rightF="15.0" top="15" topF="15.0"/>
<y:BorderInsets bottom="0" bottomF="0.0" left="0" leftF="0.0" right="0" rightF="0.0" top="0" topF="0.0"/>
</y:GroupNode>
<y:GroupNode>
<y:Geometry height="50.0" width="50.0" x="0.0" y="60.0"/>
<y:Fill color="#F5F5F5" transparent="false"/>
<y:BorderStyle color="#000000" type="dashed" width="1.0"/>
<y:NodeLabel alignment="right" autoSizePolicy="node_width" backgroundColor="#EBEBEB" borderDistance="0.0" fontFamily="Dialog" fontSize="15" fontStyle="plain" hasLineColor="false" height="21.4609375" modelName="internal" modelPosition="t" textColor="#000000" visible="true" width="74.74462890625" x="-12.372314453125" y="0.0">Folder 16</y:NodeLabel>
<y:Shape type="roundrectangle"/>
<y:State closed="true" closedHeight="50.0" closedWidth="50.0" innerGraphDisplayEnabled="false"/>
<y:Insets bottom="5" bottomF="5.0" left="5" leftF="5.0" right="5" rightF="5.0" top="5" topF="5.0"/>
<y:BorderInsets bottom="0" bottomF="0.0" left="0" leftF="0.0" right="0" rightF="0.0" top="0" topF="0.0"/>
</y:GroupNode>
</y:Realizers>
</y:ProxyAutoBoundsNode>
</data>
<graph edgedefault="directed" id="n15:">
<node id="n15::n0">
<data key="d6">
<y:ShapeNode>
<y:Geometry height="30.0" width="402.60546875" x="2702.7191846649584" y="66.44551864213645"/>
<y:Fill color="#FFFFFF" transparent="false"/>
<y:BorderStyle color="#000000" type="line" width="1.0"/>
<y:NodeLabel alignment="left" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="17.96875" modelName="custom" textColor="#000000" visible="true" width="392.60546875" x="5.0" y="6.015625">A local variable defined outside but referred to inside a function.<y:LabelModel>
<y:SmartNodeLabelModel distance="4.0"/>
</y:LabelModel>
<y:ModelParameter>
<y:SmartNodeLabelModelParameter labelRatioX="0.0" labelRatioY="0.0" nodeRatioX="0.0" nodeRatioY="0.0" offsetX="0.0" offsetY="0.0" upX="0.0" upY="-1.0"/>
</y:ModelParameter>
</y:NodeLabel>
<y:Shape type="roundrectangle"/>
</y:ShapeNode>
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<node id="n16" yfiles.foldertype="group">
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<y:ProxyAutoBoundsNode>
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<y:GroupNode>
<y:Geometry height="247.0546875" width="469.384765625" x="10053.0" y="-0.796875"/>
<y:Fill color="#F5F5F5" transparent="false"/>
<y:BorderStyle color="#000000" type="dashed" width="1.0"/>
<y:NodeLabel alignment="right" autoSizePolicy="node_width" backgroundColor="#EBEBEB" borderDistance="0.0" fontFamily="Dialog" fontSize="15" fontStyle="plain" hasLineColor="false" height="21.4609375" modelName="internal" modelPosition="t" textColor="#000000" visible="true" width="469.384765625" x="0.0" y="0.0">zero</y:NodeLabel>
<y:Shape type="roundrectangle"/>
<y:State closed="false" closedHeight="50.0" closedWidth="50.0" innerGraphDisplayEnabled="false"/>
<y:NodeBounds considerNodeLabelSize="true"/>
<y:Insets bottom="15" bottomF="15.0" left="15" leftF="15.0" right="15" rightF="15.0" top="15" topF="15.0"/>
<y:BorderInsets bottom="0" bottomF="0.0" left="0" leftF="0.0" right="0" rightF="0.0" top="0" topF="0.0"/>
</y:GroupNode>
<y:GroupNode>
<y:Geometry height="50.0" width="50.0" x="0.0" y="60.0"/>
<y:Fill color="#F5F5F5" transparent="false"/>
<y:BorderStyle color="#000000" type="dashed" width="1.0"/>
<y:NodeLabel alignment="right" autoSizePolicy="node_width" backgroundColor="#EBEBEB" borderDistance="0.0" fontFamily="Dialog" fontSize="15" fontStyle="plain" hasLineColor="false" height="21.4609375" modelName="internal" modelPosition="t" textColor="#000000" visible="true" width="74.74462890625" x="-12.372314453125" y="0.0">Folder 17</y:NodeLabel>
<y:Shape type="roundrectangle"/>
<y:State closed="true" closedHeight="50.0" closedWidth="50.0" innerGraphDisplayEnabled="false"/>
<y:Insets bottom="5" bottomF="5.0" left="5" leftF="5.0" right="5" rightF="5.0" top="5" topF="5.0"/>
<y:BorderInsets bottom="0" bottomF="0.0" left="0" leftF="0.0" right="0" rightF="0.0" top="0" topF="0.0"/>
</y:GroupNode>
</y:Realizers>
</y:ProxyAutoBoundsNode>
</data>
<graph edgedefault="directed" id="n16:">
<node id="n16::n0">
<data key="d6">
<y:ShapeNode>
<y:Geometry height="195.59375" width="439.384765625" x="10068.0" y="35.6640625"/>
<y:Fill color="#FFFFFF" transparent="false"/>
<y:BorderStyle color="#000000" type="line" width="1.0"/>
<y:NodeLabel alignment="left" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="185.59375" modelName="custom" textColor="#000000" visible="true" width="429.384765625" x="5.0" y="5.0">Zero is a unique number, having three different representations that
are all equal.
0 -- integer zero
0. -- floating-point zero
-0. -- negative zero
They can be distinguished by programming tricks, but only the integer
zero can be a table key. Either of the others will be silently coerced
to an integer.
c = {[-0.]=true}
next(c) --&gt; 0 true<y:LabelModel>
<y:SmartNodeLabelModel distance="4.0"/>
</y:LabelModel>
<y:ModelParameter>
<y:SmartNodeLabelModelParameter labelRatioX="0.0" labelRatioY="0.0" nodeRatioX="0.0" nodeRatioY="0.0" offsetX="0.0" offsetY="0.0" upX="0.0" upY="-1.0"/>
</y:ModelParameter>
</y:NodeLabel>
<y:Shape type="roundrectangle"/>
</y:ShapeNode>
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</node>
</graph>
</node>
<node id="n17" yfiles.foldertype="group">
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<y:ProxyAutoBoundsNode>
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<y:GroupNode>
<y:Geometry height="135.3046875" width="464.41015625" x="8280.773946344729" y="2849.724060348177"/>
<y:Fill color="#F5F5F5" transparent="false"/>
<y:BorderStyle color="#000000" type="dashed" width="1.0"/>
<y:NodeLabel alignment="right" autoSizePolicy="node_width" backgroundColor="#EBEBEB" borderDistance="0.0" fontFamily="Dialog" fontSize="15" fontStyle="plain" hasLineColor="false" height="21.4609375" modelName="internal" modelPosition="t" textColor="#000000" visible="true" width="464.41015625" x="0.0" y="0.0">whitespace</y:NodeLabel>
<y:Shape type="roundrectangle"/>
<y:State closed="false" closedHeight="50.0" closedWidth="50.0" innerGraphDisplayEnabled="false"/>
<y:NodeBounds considerNodeLabelSize="true"/>
<y:Insets bottom="15" bottomF="15.0" left="15" leftF="15.0" right="15" rightF="15.0" top="15" topF="15.0"/>
<y:BorderInsets bottom="0" bottomF="0.0" left="0" leftF="0.0" right="0" rightF="0.0" top="0" topF="0.0"/>
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<y:GroupNode>
<y:Geometry height="50.0" width="50.0" x="0.0" y="60.0"/>
<y:Fill color="#F5F5F5" transparent="false"/>
<y:BorderStyle color="#000000" type="dashed" width="1.0"/>
<y:NodeLabel alignment="right" autoSizePolicy="node_width" backgroundColor="#EBEBEB" borderDistance="0.0" fontFamily="Dialog" fontSize="15" fontStyle="plain" hasLineColor="false" height="21.4609375" modelName="internal" modelPosition="t" textColor="#000000" visible="true" width="74.74462890625" x="-12.372314453125" y="0.0">Folder 18</y:NodeLabel>
<y:Shape type="roundrectangle"/>
<y:State closed="true" closedHeight="50.0" closedWidth="50.0" innerGraphDisplayEnabled="false"/>
<y:Insets bottom="5" bottomF="5.0" left="5" leftF="5.0" right="5" rightF="5.0" top="5" topF="5.0"/>
<y:BorderInsets bottom="0" bottomF="0.0" left="0" leftF="0.0" right="0" rightF="0.0" top="0" topF="0.0"/>
</y:GroupNode>
</y:Realizers>
</y:ProxyAutoBoundsNode>
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<y:Fill color="#FFFFFF" transparent="false"/>
<y:BorderStyle color="#000000" type="line" width="1.0"/>
<y:NodeLabel alignment="left" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="73.84375" modelName="custom" textColor="#000000" visible="true" width="424.41015625" x="5.0" y="5.0">A character such as a blank, tab, line feed or carriage return that
may be present in a text file but is not visible.
In Lua any sequence of whitespace characters outside comments and
strings is treated as being equivalent to one blank.
<y:LabelModel>
<y:SmartNodeLabelModel distance="4.0"/>
</y:LabelModel>
<y:ModelParameter>
<y:SmartNodeLabelModelParameter labelRatioX="0.0" labelRatioY="0.0" nodeRatioX="0.0" nodeRatioY="0.0" offsetX="0.0" offsetY="0.0" upX="0.0" upY="-1.0"/>
</y:ModelParameter>
</y:NodeLabel>
<y:Shape type="roundrectangle"/>
</y:ShapeNode>
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<node id="n18" yfiles.foldertype="group">
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<y:NodeLabel alignment="right" autoSizePolicy="node_width" backgroundColor="#EBEBEB" borderDistance="0.0" fontFamily="Dialog" fontSize="15" fontStyle="plain" hasLineColor="false" height="21.4609375" modelName="internal" modelPosition="t" textColor="#000000" visible="true" width="109.203125" x="0.0" y="0.0">visible</y:NodeLabel>
<y:Shape type="roundrectangle"/>
<y:State closed="false" closedHeight="50.0" closedWidth="50.0" innerGraphDisplayEnabled="false"/>
<y:NodeBounds considerNodeLabelSize="true"/>
<y:Insets bottom="15" bottomF="15.0" left="15" leftF="15.0" right="15" rightF="15.0" top="15" topF="15.0"/>
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<y:Geometry height="50.0" width="50.0" x="0.0" y="60.0"/>
<y:Fill color="#F5F5F5" transparent="false"/>
<y:BorderStyle color="#000000" type="dashed" width="1.0"/>
<y:NodeLabel alignment="right" autoSizePolicy="node_width" backgroundColor="#EBEBEB" borderDistance="0.0" fontFamily="Dialog" fontSize="15" fontStyle="plain" hasLineColor="false" height="21.4609375" modelName="internal" modelPosition="t" textColor="#000000" visible="true" width="74.74462890625" x="-12.372314453125" y="0.0">Folder 19</y:NodeLabel>
<y:Shape type="roundrectangle"/>
<y:State closed="true" closedHeight="50.0" closedWidth="50.0" innerGraphDisplayEnabled="false"/>
<y:Insets bottom="5" bottomF="5.0" left="5" leftF="5.0" right="5" rightF="5.0" top="5" topF="5.0"/>
<y:BorderInsets bottom="0" bottomF="0.0" left="0" leftF="0.0" right="0" rightF="0.0" top="0" topF="0.0"/>
</y:GroupNode>
</y:Realizers>
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<y:ShapeNode>
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<y:Fill color="#FFFFFF" transparent="false"/>
<y:BorderStyle color="#000000" type="line" width="1.0"/>
<y:NodeLabel alignment="left" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="17.96875" modelName="custom" textColor="#000000" visible="true" width="69.203125" x="5.0" y="6.015625">See scope.<y:LabelModel>
<y:SmartNodeLabelModel distance="4.0"/>
</y:LabelModel>
<y:ModelParameter>
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