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Graph representation of Dirk's Laurie Lua dictionary
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<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 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"/>
<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="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"/>
</y:ModelParameter>
</y:NodeLabel>
<y:Shape type="roundrectangle"/>
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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="467.796875" x="0.0" y="0.0">scope</y:NodeLabel>
<y:Shape type="roundrectangle"/>
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<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: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 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:">
<node id="n13::n0">
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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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</node>
<node id="n14" yfiles.foldertype="group">
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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="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>
</y:ProxyAutoBoundsNode>
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<y:ShapeNode>
<y:Geometry height="30.0" width="236.896484375" x="3020.4042711849834" y="930.0905237680854"/>
<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>
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</node>
<node id="n15" yfiles.foldertype="group">
<data key="d4"/>
<data key="d5"/>
<data key="d6">
<y:ProxyAutoBoundsNode>
<y:Realizers active="0">
<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">
<data key="d4"/>
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<y:ProxyAutoBoundsNode>
<y:Realizers active="0">
<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>
</data>
</node>
</graph>
</node>
<node id="n17" yfiles.foldertype="group">
<data key="d4"/>
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<y:ProxyAutoBoundsNode>
<y:Realizers active="0">
<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"/>
</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 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>
</data>
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<y:ShapeNode>
<y:Geometry height="83.84375" width="434.41015625" x="8295.773946344729" y="2886.184997848177"/>
<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>
</data>
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</graph>
</node>
<node id="n18" yfiles.foldertype="group">
<data key="d4"/>
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<y:ProxyAutoBoundsNode>
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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="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"/>
<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 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>
</y:ProxyAutoBoundsNode>
</data>
<graph edgedefault="directed" id="n18:">
<node id="n18::n0">
<data key="d6">
<y:ShapeNode>
<y:Geometry height="30.0" width="79.203125" x="572.7545217693078" y="1592.616695688026"/>
<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"/>
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Values of type nil, boolean, number and string are immutable.
Values of type coroutine, table and userdata are mutable.
Values of type function are immutable except via the debug library.
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A boolean value can only be "true" or "false".
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Any two values can be compared for equality or inequality.
Two strings or two numbers can be compared for order.
Any other comparison is only possible with the aid of a metamethod.
Comparison operations have a higher priority than logical operations
and parentheses are seldom needed.
The result of a comparison operation is a boolean.
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bypassing the default action, usually because the operation would
otherwise be undefined, but also when a raw operation is to be
supplanted by a customized one.
Metamethods are kept in a metatable.
Metamethods can be used (abused?) to customize Lua almost beyond
recognition. The subject is too advanced for further explanation in
this Glossary.
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a or b -- if a is true, then a (and don't evaluate b); else b
The point about evaluation is important. It can be used to avoid
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v = a.k -- an error if a is nil
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Mainly used in the parameter list of a function, where it must appear
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Inside such a function, it is also available for use wherever a tuple
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function fct(z,...) -- typical vararg parameter list
local x,y = ... -- assign first two elements of the vararg
local p,q = select(4,...) -- assign elements 4 and 5 of the vararg
local t = table.pack(...) -- create an array containing the vararg
local u = {...} -- the same, but u.n is not set
local s = 10+... -- add 10 to first element of vararg
print(...) -- print everything in the vararg
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{1,2,nil,4} -- an array
1,2,nil,4 -- a tuple
May appear in as a parameter list, an argument list, a return list,
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1. A sequence of bytes.
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There are several ways to do this. All are considered too advanced for
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It contains functions necessary to look into details of implementation
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You are not supposed to know what they are, and if you do know, you
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"\xcafe" -- Hexadecimal encoding of an integer
"\u{cafe} -- The Unicode character with hexadecimal encoding
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"%%" -- The way to represent a percent sign in a pattern.
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name? -- a typical prompt issued by an appplication
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In the case of Lua, the latter form is known as bytecode.
A compiler is a program that (or a function inside a program) that
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