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15 lines
400 B
Text
15 lines
400 B
Text
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# ch6-02-undeclared-variable.rsc
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# Declare a variable but assign no value
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:local RouteDistance;
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# Let's test the data type of the variable
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:if ([:typeof $RouteDistance] = "nothing") do={
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:put "Test 1: this variable has no value!";
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}
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# Let's test the data type of a non-existent variable
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:if ([:typeof $RouteDist] = "nothing") do={
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:put "Test 2: this variable has no value!";
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}
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