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<a name="1204685"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">20.5.5 Type conversion</font>
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<a name="1204688"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">Expressions are typed checked at run time. For example:</font>
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<a name="1204689"> </a><font size=2 face=Courier><strong>x = "hello world" + 3<br></strong></font>
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<a name="1204690"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">results in an error. To convert to a string or an integer the built in commands <font size=2 face=Courier><strong>mkstr</strong></font> and <font size=2 face=Courier><strong>mknum</strong></font> are provided. For example:</font>
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<a name="1204691"> </a><font size=2 face=Courier><strong>n=3<br>s="3"<br>x = "5" + (mkstr (n))<br>y = 5 + (mknum (s))<br></strong></font>
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<a name="1204695"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">would assign the variable <font size=2 face=Courier><strong>x</strong></font> to be the string value "<font size=2 face=Courier><strong>53</strong></font>" and <font size=2 face=Courier><strong>y</strong></font> to the integer value <font size=2 face=Courier><strong>8</strong></font>.</font>
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