| is_any_hdType | R Documentation | 
test for objects of type "hdType"
is_any_hdType(x)
x | 
 hdType object to be coerced or tested  | 
returns TRUE or FALSE depending on whether its argument is one of the available_hdTypes() or not.
some_cat_value <- Cat("value1")
is_any_hdType(some_cat_value)
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