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Question: What is the best way to have a type declaration for a structured type arguments with MutableSet?

Question:What is the best way to have a type declaration for a structured type arguments with MutableSet?

AmirHosein Sadeghimanesh 225 Maple 2022
type mutableset
July 05 2022
3

Declaring types of arguments of a procedure or checking type of something when working with lists or Arrays is easy. For example one can easily use A :: list( posint ) or type( B :: 'Array'( polynom ) ), but with MutableSet, the same approach ends with an error;

Error, module does not have a ModuleType member to accept structured type arguments.

I guess it is the same for other objects defined as a module with option object. Is there a recommended way to have type declaration for such objects or MutableSet in specific?
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