[DGD] typeof bug?

[Robert Forshaw]

string a;

return typeof(a) == T_STRING;

Returns 0. If I allocate an empty string to a, then it returns 1. typeof(a) 
== T_NIL returns 1 of course, but shouldn't there be a priority to refer to 
the type of data the variable could hold, rather than what it happens to be 
holding at the time? Or perhaps there should be another function: datatype - 
which returns the datatype of the variable rather than its present content? 
Or is there a way of doing that already?

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