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Wifinigel 2023-01-19 21:27:15 +00:00
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# ch6-02-undeclared-variable.rsc
# Declare a variable but assign no value
:local RouteDistance;
# Let's test the data type of the variable
:if ([:typeof $RouteDistance] = "nothing") do={
:put "Test 1: this variable has no value!";
}
# Let's test the data type of a non-existent variable
:if ([:typeof $RouteDist] = "nothing") do={
:put "Test 2: this variable has no value!";
}